Home / 77,652.24-116,395.30-40,174.57

Finding the Fourth Proportional to 77,652.24, 116,395.30 and 40,174.57

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Solution

The fourth proportional to 77,652.24, 116,395.30 and 40,174.57 is: 60,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652.24 : 116,395.30 = 40,174.57 : x
  2. Step 2: Convert to fraction form
    77,652.24/116,395.30 = 40,174.57/x
  3. Step 3: Cross multiply
    77,652.24x = 116,395.30 × 40,174.57
  4. Step 4: Simplify right side
    77,652.24x = 4,676,131,127.52
  5. Step 5: Solve for x
    x = 4,676,131,127.52/77,652.24
  6. Step 6: Final answer
    x = 60,218.88

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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.