Home / 90,281.41-124,572.89-56,300.56

Finding the Fourth Proportional to 90,281.41, 124,572.89 and 56,300.56

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Solution

The fourth proportional to 90,281.41, 124,572.89 and 56,300.56 is: 77,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,281.41 : 124,572.89 = 56,300.56 : x
  2. Step 2: Convert to fraction form
    90,281.41/124,572.89 = 56,300.56/x
  3. Step 3: Cross multiply
    90,281.41x = 124,572.89 × 56,300.56
  4. Step 4: Simplify right side
    90,281.41x = 7,013,522,805.27
  5. Step 5: Solve for x
    x = 7,013,522,805.27/90,281.41
  6. Step 6: Final answer
    x = 77,685.13

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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.