Home / 90,306.52-124,706.77-67,606.11

Finding the Fourth Proportional to 90,306.52, 124,706.77 and 67,606.11

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Solution

The fourth proportional to 90,306.52, 124,706.77 and 67,606.11 is: 93,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.52 : 124,706.77 = 67,606.11 : x
  2. Step 2: Convert to fraction form
    90,306.52/124,706.77 = 67,606.11/x
  3. Step 3: Cross multiply
    90,306.52x = 124,706.77 × 67,606.11
  4. Step 4: Simplify right side
    90,306.52x = 8,430,939,441.35
  5. Step 5: Solve for x
    x = 8,430,939,441.35/90,306.52
  6. Step 6: Final answer
    x = 93,359.15

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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.