Home / 113,315.14-156,378.97-62,331.87

Finding the Fourth Proportional to 113,315.14, 156,378.97 and 62,331.87

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Solution

The fourth proportional to 113,315.14, 156,378.97 and 62,331.87 is: 86,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,315.14 : 156,378.97 = 62,331.87 : x
  2. Step 2: Convert to fraction form
    113,315.14/156,378.97 = 62,331.87/x
  3. Step 3: Cross multiply
    113,315.14x = 156,378.97 × 62,331.87
  4. Step 4: Simplify right side
    113,315.14x = 9,747,393,628.77
  5. Step 5: Solve for x
    x = 9,747,393,628.77/113,315.14
  6. Step 6: Final answer
    x = 86,020.22

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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.