Home / 55,359.65-83,042.04-15,915.89

Finding the Fourth Proportional to 55,359.65, 83,042.04 and 15,915.89

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Solution

The fourth proportional to 55,359.65, 83,042.04 and 15,915.89 is: 23,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.65 : 83,042.04 = 15,915.89 : x
  2. Step 2: Convert to fraction form
    55,359.65/83,042.04 = 15,915.89/x
  3. Step 3: Cross multiply
    55,359.65x = 83,042.04 × 15,915.89
  4. Step 4: Simplify right side
    55,359.65x = 1,321,687,974.02
  5. Step 5: Solve for x
    x = 1,321,687,974.02/55,359.65
  6. Step 6: Final answer
    x = 23,874.57

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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.