Home / 90,275.04-124,578.02-49,987.94

Finding the Fourth Proportional to 90,275.04, 124,578.02 and 49,987.94

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Solution

The fourth proportional to 90,275.04, 124,578.02 and 49,987.94 is: 68,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,275.04 : 124,578.02 = 49,987.94 : x
  2. Step 2: Convert to fraction form
    90,275.04/124,578.02 = 49,987.94/x
  3. Step 3: Cross multiply
    90,275.04x = 124,578.02 × 49,987.94
  4. Step 4: Simplify right side
    90,275.04x = 6,227,398,091.16
  5. Step 5: Solve for x
    x = 6,227,398,091.16/90,275.04
  6. Step 6: Final answer
    x = 68,982.50

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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.