Home / 123,412.33-185,125.68-34,672.76

Finding the Fourth Proportional to 123,412.33, 185,125.68 and 34,672.76

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Solution

The fourth proportional to 123,412.33, 185,125.68 and 34,672.76 is: 52,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,412.33 : 185,125.68 = 34,672.76 : x
  2. Step 2: Convert to fraction form
    123,412.33/185,125.68 = 34,672.76/x
  3. Step 3: Cross multiply
    123,412.33x = 185,125.68 × 34,672.76
  4. Step 4: Simplify right side
    123,412.33x = 6,418,817,173.48
  5. Step 5: Solve for x
    x = 6,418,817,173.48/123,412.33
  6. Step 6: Final answer
    x = 52,011.15

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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.