Home / 90,360.02-124,700.04-54,543.04

Finding the Fourth Proportional to 90,360.02, 124,700.04 and 54,543.04

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Solution

The fourth proportional to 90,360.02, 124,700.04 and 54,543.04 is: 75,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,360.02 : 124,700.04 = 54,543.04 : x
  2. Step 2: Convert to fraction form
    90,360.02/124,700.04 = 54,543.04/x
  3. Step 3: Cross multiply
    90,360.02x = 124,700.04 × 54,543.04
  4. Step 4: Simplify right side
    90,360.02x = 6,801,518,957.97
  5. Step 5: Solve for x
    x = 6,801,518,957.97/90,360.02
  6. Step 6: Final answer
    x = 75,271.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.