Home / 83,814.89-125,576.10-69,864.57

Finding the Fourth Proportional to 83,814.89, 125,576.10 and 69,864.57

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Solution

The fourth proportional to 83,814.89, 125,576.10 and 69,864.57 is: 104,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.89 : 125,576.10 = 69,864.57 : x
  2. Step 2: Convert to fraction form
    83,814.89/125,576.10 = 69,864.57/x
  3. Step 3: Cross multiply
    83,814.89x = 125,576.10 × 69,864.57
  4. Step 4: Simplify right side
    83,814.89x = 8,773,320,228.78
  5. Step 5: Solve for x
    x = 8,773,320,228.78/83,814.89
  6. Step 6: Final answer
    x = 104,674.97

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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.