Home / 107,349.32-161,058-83,737.82

Finding the Fourth Proportional to 107,349.32, 161,058 and 83,737.82

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Solution

The fourth proportional to 107,349.32, 161,058 and 83,737.82 is: 125,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,349.32 : 161,058 = 83,737.82 : x
  2. Step 2: Convert to fraction form
    107,349.32/161,058 = 83,737.82/x
  3. Step 3: Cross multiply
    107,349.32x = 161,058 × 83,737.82
  4. Step 4: Simplify right side
    107,349.32x = 13,486,645,813.56
  5. Step 5: Solve for x
    x = 13,486,645,813.56/107,349.32
  6. Step 6: Final answer
    x = 125,633.27

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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.