Home / 106,747.20-147,309.03-59,002.56

Finding the Fourth Proportional to 106,747.20, 147,309.03 and 59,002.56

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Solution

The fourth proportional to 106,747.20, 147,309.03 and 59,002.56 is: 81,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.20 : 147,309.03 = 59,002.56 : x
  2. Step 2: Convert to fraction form
    106,747.20/147,309.03 = 59,002.56/x
  3. Step 3: Cross multiply
    106,747.20x = 147,309.03 × 59,002.56
  4. Step 4: Simplify right side
    106,747.20x = 8,691,609,881.12
  5. Step 5: Solve for x
    x = 8,691,609,881.12/106,747.20
  6. Step 6: Final answer
    x = 81,422.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.