Home / 57,747.92-86,624.93-18,308.11

Finding the Fourth Proportional to 57,747.92, 86,624.93 and 18,308.11

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Solution

The fourth proportional to 57,747.92, 86,624.93 and 18,308.11 is: 27,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.92 : 86,624.93 = 18,308.11 : x
  2. Step 2: Convert to fraction form
    57,747.92/86,624.93 = 18,308.11/x
  3. Step 3: Cross multiply
    57,747.92x = 86,624.93 × 18,308.11
  4. Step 4: Simplify right side
    57,747.92x = 1,585,938,747.18
  5. Step 5: Solve for x
    x = 1,585,938,747.18/57,747.92
  6. Step 6: Final answer
    x = 27,463.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.