Home / 67,688.28-93,408.66-37,472.96

Finding the Fourth Proportional to 67,688.28, 93,408.66 and 37,472.96

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Solution

The fourth proportional to 67,688.28, 93,408.66 and 37,472.96 is: 51,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,688.28 : 93,408.66 = 37,472.96 : x
  2. Step 2: Convert to fraction form
    67,688.28/93,408.66 = 37,472.96/x
  3. Step 3: Cross multiply
    67,688.28x = 93,408.66 × 37,472.96
  4. Step 4: Simplify right side
    67,688.28x = 3,500,298,979.83
  5. Step 5: Solve for x
    x = 3,500,298,979.83/67,688.28
  6. Step 6: Final answer
    x = 51,712.04

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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.