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Finding the Fourth Proportional to 68,255.66, 102,271.71 and 65,663.66

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Solution

The fourth proportional to 68,255.66, 102,271.71 and 65,663.66 is: 98,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,255.66 : 102,271.71 = 65,663.66 : x
  2. Step 2: Convert to fraction form
    68,255.66/102,271.71 = 65,663.66/x
  3. Step 3: Cross multiply
    68,255.66x = 102,271.71 × 65,663.66
  4. Step 4: Simplify right side
    68,255.66x = 6,715,534,793.06
  5. Step 5: Solve for x
    x = 6,715,534,793.06/68,255.66
  6. Step 6: Final answer
    x = 98,387.95

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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.