Home / 112,490.38-155,239.96-62,192.62

Finding the Fourth Proportional to 112,490.38, 155,239.96 and 62,192.62

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Solution

The fourth proportional to 112,490.38, 155,239.96 and 62,192.62 is: 85,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490.38 : 155,239.96 = 62,192.62 : x
  2. Step 2: Convert to fraction form
    112,490.38/155,239.96 = 62,192.62/x
  3. Step 3: Cross multiply
    112,490.38x = 155,239.96 × 62,192.62
  4. Step 4: Simplify right side
    112,490.38x = 9,654,779,841.10
  5. Step 5: Solve for x
    x = 9,654,779,841.10/112,490.38
  6. Step 6: Final answer
    x = 85,827.60

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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.