Home / 94,787.32-142,079.94-71,341.24

Finding the Fourth Proportional to 94,787.32, 142,079.94 and 71,341.24

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Solution

The fourth proportional to 94,787.32, 142,079.94 and 71,341.24 is: 106,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787.32 : 142,079.94 = 71,341.24 : x
  2. Step 2: Convert to fraction form
    94,787.32/142,079.94 = 71,341.24/x
  3. Step 3: Cross multiply
    94,787.32x = 142,079.94 × 71,341.24
  4. Step 4: Simplify right side
    94,787.32x = 10,136,159,098.73
  5. Step 5: Solve for x
    x = 10,136,159,098.73/94,787.32
  6. Step 6: Final answer
    x = 106,935.81

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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.