Home / 67,845.20-93,565.11-42,353.91

Finding the Fourth Proportional to 67,845.20, 93,565.11 and 42,353.91

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Solution

The fourth proportional to 67,845.20, 93,565.11 and 42,353.91 is: 58,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.20 : 93,565.11 = 42,353.91 : x
  2. Step 2: Convert to fraction form
    67,845.20/93,565.11 = 42,353.91/x
  3. Step 3: Cross multiply
    67,845.20x = 93,565.11 × 42,353.91
  4. Step 4: Simplify right side
    67,845.20x = 3,962,848,248.08
  5. Step 5: Solve for x
    x = 3,962,848,248.08/67,845.20
  6. Step 6: Final answer
    x = 58,410.15

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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.