Home / 67,724.34-93,505.77-42,240.66

Finding the Fourth Proportional to 67,724.34, 93,505.77 and 42,240.66

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Solution

The fourth proportional to 67,724.34, 93,505.77 and 42,240.66 is: 58,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.34 : 93,505.77 = 42,240.66 : x
  2. Step 2: Convert to fraction form
    67,724.34/93,505.77 = 42,240.66/x
  3. Step 3: Cross multiply
    67,724.34x = 93,505.77 × 42,240.66
  4. Step 4: Simplify right side
    67,724.34x = 3,949,745,438.61
  5. Step 5: Solve for x
    x = 3,949,745,438.61/67,724.34
  6. Step 6: Final answer
    x = 58,320.91

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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.