Home / 95,787.84-142,837.92-89,139.36

Finding the Fourth Proportional to 95,787.84, 142,837.92 and 89,139.36

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Solution

The fourth proportional to 95,787.84, 142,837.92 and 89,139.36 is: 132,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,787.84 : 142,837.92 = 89,139.36 : x
  2. Step 2: Convert to fraction form
    95,787.84/142,837.92 = 89,139.36/x
  3. Step 3: Cross multiply
    95,787.84x = 142,837.92 × 89,139.36
  4. Step 4: Simplify right side
    95,787.84x = 12,732,480,772.53
  5. Step 5: Solve for x
    x = 12,732,480,772.53/95,787.84
  6. Step 6: Final answer
    x = 132,923.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.