Home / 82,197.29-113,432.31-57,061.37

Finding the Fourth Proportional to 82,197.29, 113,432.31 and 57,061.37

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Solution

The fourth proportional to 82,197.29, 113,432.31 and 57,061.37 is: 78,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.29 : 113,432.31 = 57,061.37 : x
  2. Step 2: Convert to fraction form
    82,197.29/113,432.31 = 57,061.37/x
  3. Step 3: Cross multiply
    82,197.29x = 113,432.31 × 57,061.37
  4. Step 4: Simplify right side
    82,197.29x = 6,472,602,725.56
  5. Step 5: Solve for x
    x = 6,472,602,725.56/82,197.29
  6. Step 6: Final answer
    x = 78,744.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.