Home / 89,983.92-134,827.78-30,787.24

Finding the Fourth Proportional to 89,983.92, 134,827.78 and 30,787.24

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Solution

The fourth proportional to 89,983.92, 134,827.78 and 30,787.24 is: 46,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.92 : 134,827.78 = 30,787.24 : x
  2. Step 2: Convert to fraction form
    89,983.92/134,827.78 = 30,787.24/x
  3. Step 3: Cross multiply
    89,983.92x = 134,827.78 × 30,787.24
  4. Step 4: Simplify right side
    89,983.92x = 4,150,975,221.53
  5. Step 5: Solve for x
    x = 4,150,975,221.53/89,983.92
  6. Step 6: Final answer
    x = 46,130.19

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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.