Home / 82,531.52-123,777.44-57,792.96

Finding the Fourth Proportional to 82,531.52, 123,777.44 and 57,792.96

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Solution

The fourth proportional to 82,531.52, 123,777.44 and 57,792.96 is: 86,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.52 : 123,777.44 = 57,792.96 : x
  2. Step 2: Convert to fraction form
    82,531.52/123,777.44 = 57,792.96/x
  3. Step 3: Cross multiply
    82,531.52x = 123,777.44 × 57,792.96
  4. Step 4: Simplify right side
    82,531.52x = 7,153,464,638.82
  5. Step 5: Solve for x
    x = 7,153,464,638.82/82,531.52
  6. Step 6: Final answer
    x = 86,675.55

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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.