Home / 81,547.38-122,327.91-34,800.66

Finding the Fourth Proportional to 81,547.38, 122,327.91 and 34,800.66

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Solution

The fourth proportional to 81,547.38, 122,327.91 and 34,800.66 is: 52,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,547.38 : 122,327.91 = 34,800.66 : x
  2. Step 2: Convert to fraction form
    81,547.38/122,327.91 = 34,800.66/x
  3. Step 3: Cross multiply
    81,547.38x = 122,327.91 × 34,800.66
  4. Step 4: Simplify right side
    81,547.38x = 4,257,092,004.42
  5. Step 5: Solve for x
    x = 4,257,092,004.42/81,547.38
  6. Step 6: Final answer
    x = 52,203.91

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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.