Home / 126,471.58-174,565.97-72,773.91

Finding the Fourth Proportional to 126,471.58, 174,565.97 and 72,773.91

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Solution

The fourth proportional to 126,471.58, 174,565.97 and 72,773.91 is: 100,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.58 : 174,565.97 = 72,773.91 : x
  2. Step 2: Convert to fraction form
    126,471.58/174,565.97 = 72,773.91/x
  3. Step 3: Cross multiply
    126,471.58x = 174,565.97 × 72,773.91
  4. Step 4: Simplify right side
    126,471.58x = 12,703,848,098.88
  5. Step 5: Solve for x
    x = 12,703,848,098.88/126,471.58
  6. Step 6: Final answer
    x = 100,448.25

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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.