Home / 123,724.06-185,586-71,099.98

Finding the Fourth Proportional to 123,724.06, 185,586 and 71,099.98

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Solution

The fourth proportional to 123,724.06, 185,586 and 71,099.98 is: 106,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.06 : 185,586 = 71,099.98 : x
  2. Step 2: Convert to fraction form
    123,724.06/185,586 = 71,099.98/x
  3. Step 3: Cross multiply
    123,724.06x = 185,586 × 71,099.98
  4. Step 4: Simplify right side
    123,724.06x = 13,195,160,888.28
  5. Step 5: Solve for x
    x = 13,195,160,888.28/123,724.06
  6. Step 6: Final answer
    x = 106,649.92

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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.