Home / 90,248.40-124,543.56-49,961.04

Finding the Fourth Proportional to 90,248.40, 124,543.56 and 49,961.04

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Solution

The fourth proportional to 90,248.40, 124,543.56 and 49,961.04 is: 68,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,248.40 : 124,543.56 = 49,961.04 : x
  2. Step 2: Convert to fraction form
    90,248.40/124,543.56 = 49,961.04/x
  3. Step 3: Cross multiply
    90,248.40x = 124,543.56 × 49,961.04
  4. Step 4: Simplify right side
    90,248.40x = 6,222,325,782.90
  5. Step 5: Solve for x
    x = 6,222,325,782.90/90,248.40
  6. Step 6: Final answer
    x = 68,946.66

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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.