Home / 113,463.77-156,578.70-62,475.45

Finding the Fourth Proportional to 113,463.77, 156,578.70 and 62,475.45

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Solution

The fourth proportional to 113,463.77, 156,578.70 and 62,475.45 is: 86,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.77 : 156,578.70 = 62,475.45 : x
  2. Step 2: Convert to fraction form
    113,463.77/156,578.70 = 62,475.45/x
  3. Step 3: Cross multiply
    113,463.77x = 156,578.70 × 62,475.45
  4. Step 4: Simplify right side
    113,463.77x = 9,782,324,742.92
  5. Step 5: Solve for x
    x = 9,782,324,742.92/113,463.77
  6. Step 6: Final answer
    x = 86,215.41

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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.