Home / 52,702.92-72,731.52-28,831.14

Finding the Fourth Proportional to 52,702.92, 72,731.52 and 28,831.14

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Solution

The fourth proportional to 52,702.92, 72,731.52 and 28,831.14 is: 39,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.92 : 72,731.52 = 28,831.14 : x
  2. Step 2: Convert to fraction form
    52,702.92/72,731.52 = 28,831.14/x
  3. Step 3: Cross multiply
    52,702.92x = 72,731.52 × 28,831.14
  4. Step 4: Simplify right side
    52,702.92x = 2,096,932,635.53
  5. Step 5: Solve for x
    x = 2,096,932,635.53/52,702.92
  6. Step 6: Final answer
    x = 39,787.79

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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.