Home / 57,885.28-86,829.72-19,934.14

Finding the Fourth Proportional to 57,885.28, 86,829.72 and 19,934.14

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Solution

The fourth proportional to 57,885.28, 86,829.72 and 19,934.14 is: 29,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.28 : 86,829.72 = 19,934.14 : x
  2. Step 2: Convert to fraction form
    57,885.28/86,829.72 = 19,934.14/x
  3. Step 3: Cross multiply
    57,885.28x = 86,829.72 × 19,934.14
  4. Step 4: Simplify right side
    57,885.28x = 1,730,875,794.64
  5. Step 5: Solve for x
    x = 1,730,875,794.64/57,885.28
  6. Step 6: Final answer
    x = 29,901.83

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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.