Home / 89,537.78-123,565.30-49,254.60

Finding the Fourth Proportional to 89,537.78, 123,565.30 and 49,254.60

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Solution

The fourth proportional to 89,537.78, 123,565.30 and 49,254.60 is: 67,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,537.78 : 123,565.30 = 49,254.60 : x
  2. Step 2: Convert to fraction form
    89,537.78/123,565.30 = 49,254.60/x
  3. Step 3: Cross multiply
    89,537.78x = 123,565.30 × 49,254.60
  4. Step 4: Simplify right side
    89,537.78x = 6,086,159,425.38
  5. Step 5: Solve for x
    x = 6,086,159,425.38/89,537.78
  6. Step 6: Final answer
    x = 67,973.09

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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.