Home / 67,491.48-93,134.16-40,642.68

Finding the Fourth Proportional to 67,491.48, 93,134.16 and 40,642.68

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Solution

The fourth proportional to 67,491.48, 93,134.16 and 40,642.68 is: 56,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.48 : 93,134.16 = 40,642.68 : x
  2. Step 2: Convert to fraction form
    67,491.48/93,134.16 = 40,642.68/x
  3. Step 3: Cross multiply
    67,491.48x = 93,134.16 × 40,642.68
  4. Step 4: Simplify right side
    67,491.48x = 3,785,221,861.95
  5. Step 5: Solve for x
    x = 3,785,221,861.95/67,491.48
  6. Step 6: Final answer
    x = 56,084.44

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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.