Home / 102,497.16-141,446.32-57,174.04

Finding the Fourth Proportional to 102,497.16, 141,446.32 and 57,174.04

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Solution

The fourth proportional to 102,497.16, 141,446.32 and 57,174.04 is: 78,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,497.16 : 141,446.32 = 57,174.04 : x
  2. Step 2: Convert to fraction form
    102,497.16/141,446.32 = 57,174.04/x
  3. Step 3: Cross multiply
    102,497.16x = 141,446.32 × 57,174.04
  4. Step 4: Simplify right side
    102,497.16x = 8,087,057,557.53
  5. Step 5: Solve for x
    x = 8,087,057,557.53/102,497.16
  6. Step 6: Final answer
    x = 78,900.31

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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.