Home / 91,624.14-126,502.92-57,221.28

Finding the Fourth Proportional to 91,624.14, 126,502.92 and 57,221.28

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Solution

The fourth proportional to 91,624.14, 126,502.92 and 57,221.28 is: 79,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.14 : 126,502.92 = 57,221.28 : x
  2. Step 2: Convert to fraction form
    91,624.14/126,502.92 = 57,221.28/x
  3. Step 3: Cross multiply
    91,624.14x = 126,502.92 × 57,221.28
  4. Step 4: Simplify right side
    91,624.14x = 7,238,659,006.14
  5. Step 5: Solve for x
    x = 7,238,659,006.14/91,624.14
  6. Step 6: Final answer
    x = 79,003.84

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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.