Home / 57,988.92-86,835.68-38,207.52

Finding the Fourth Proportional to 57,988.92, 86,835.68 and 38,207.52

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Solution

The fourth proportional to 57,988.92, 86,835.68 and 38,207.52 is: 57,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.92 : 86,835.68 = 38,207.52 : x
  2. Step 2: Convert to fraction form
    57,988.92/86,835.68 = 38,207.52/x
  3. Step 3: Cross multiply
    57,988.92x = 86,835.68 × 38,207.52
  4. Step 4: Simplify right side
    57,988.92x = 3,317,775,980.31
  5. Step 5: Solve for x
    x = 3,317,775,980.31/57,988.92
  6. Step 6: Final answer
    x = 57,213.96

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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.