Home / 52,442.53-78,732.40-31,134.15

Finding the Fourth Proportional to 52,442.53, 78,732.40 and 31,134.15

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Solution

The fourth proportional to 52,442.53, 78,732.40 and 31,134.15 is: 46,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.53 : 78,732.40 = 31,134.15 : x
  2. Step 2: Convert to fraction form
    52,442.53/78,732.40 = 31,134.15/x
  3. Step 3: Cross multiply
    52,442.53x = 78,732.40 × 31,134.15
  4. Step 4: Simplify right side
    52,442.53x = 2,451,266,351.46
  5. Step 5: Solve for x
    x = 2,451,266,351.46/52,442.53
  6. Step 6: Final answer
    x = 46,741.95

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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.