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Finding the Fourth Proportional to 95,086.71, 142,576.70 and 65,134.76

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Solution

The fourth proportional to 95,086.71, 142,576.70 and 65,134.76 is: 97,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,086.71 : 142,576.70 = 65,134.76 : x
  2. Step 2: Convert to fraction form
    95,086.71/142,576.70 = 65,134.76/x
  3. Step 3: Cross multiply
    95,086.71x = 142,576.70 × 65,134.76
  4. Step 4: Simplify right side
    95,086.71x = 9,286,698,097.53
  5. Step 5: Solve for x
    x = 9,286,698,097.53/95,086.71
  6. Step 6: Final answer
    x = 97,665.57

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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.