Home / 57,932.11-86,931.04-31,277.75

Finding the Fourth Proportional to 57,932.11, 86,931.04 and 31,277.75

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Solution

The fourth proportional to 57,932.11, 86,931.04 and 31,277.75 is: 46,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.11 : 86,931.04 = 31,277.75 : x
  2. Step 2: Convert to fraction form
    57,932.11/86,931.04 = 31,277.75/x
  3. Step 3: Cross multiply
    57,932.11x = 86,931.04 × 31,277.75
  4. Step 4: Simplify right side
    57,932.11x = 2,719,006,882.16
  5. Step 5: Solve for x
    x = 2,719,006,882.16/57,932.11
  6. Step 6: Final answer
    x = 46,934.37

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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.