Home / 98,581.00-136,044.50-60,339.78

Finding the Fourth Proportional to 98,581.00, 136,044.50 and 60,339.78

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Solution

The fourth proportional to 98,581.00, 136,044.50 and 60,339.78 is: 83,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,581.00 : 136,044.50 = 60,339.78 : x
  2. Step 2: Convert to fraction form
    98,581.00/136,044.50 = 60,339.78/x
  3. Step 3: Cross multiply
    98,581.00x = 136,044.50 × 60,339.78
  4. Step 4: Simplify right side
    98,581.00x = 8,208,895,691.17
  5. Step 5: Solve for x
    x = 8,208,895,691.17/98,581.00
  6. Step 6: Final answer
    x = 83,270.57

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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.