Home / 90,018.57-124,226.54-62,834.16

Finding the Fourth Proportional to 90,018.57, 124,226.54 and 62,834.16

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Solution

The fourth proportional to 90,018.57, 124,226.54 and 62,834.16 is: 86,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.57 : 124,226.54 = 62,834.16 : x
  2. Step 2: Convert to fraction form
    90,018.57/124,226.54 = 62,834.16/x
  3. Step 3: Cross multiply
    90,018.57x = 124,226.54 × 62,834.16
  4. Step 4: Simplify right side
    90,018.57x = 7,805,670,290.61
  5. Step 5: Solve for x
    x = 7,805,670,290.61/90,018.57
  6. Step 6: Final answer
    x = 86,711.78

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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.