Home / 57,707.10-86,560.65-38,007.90

Finding the Fourth Proportional to 57,707.10, 86,560.65 and 38,007.90

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Solution

The fourth proportional to 57,707.10, 86,560.65 and 38,007.90 is: 57,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.10 : 86,560.65 = 38,007.90 : x
  2. Step 2: Convert to fraction form
    57,707.10/86,560.65 = 38,007.90/x
  3. Step 3: Cross multiply
    57,707.10x = 86,560.65 × 38,007.90
  4. Step 4: Simplify right side
    57,707.10x = 3,289,988,529.14
  5. Step 5: Solve for x
    x = 3,289,988,529.14/57,707.10
  6. Step 6: Final answer
    x = 57,011.85

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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.