Home / 71,123.24-106,670.37-26,129.13

Finding the Fourth Proportional to 71,123.24, 106,670.37 and 26,129.13

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Solution

The fourth proportional to 71,123.24, 106,670.37 and 26,129.13 is: 39,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,123.24 : 106,670.37 = 26,129.13 : x
  2. Step 2: Convert to fraction form
    71,123.24/106,670.37 = 26,129.13/x
  3. Step 3: Cross multiply
    71,123.24x = 106,670.37 × 26,129.13
  4. Step 4: Simplify right side
    71,123.24x = 2,787,203,564.86
  5. Step 5: Solve for x
    x = 2,787,203,564.86/71,123.24
  6. Step 6: Final answer
    x = 39,188.37

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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.