Home / 91,767.29-126,565.79-75,824.06

Finding the Fourth Proportional to 91,767.29, 126,565.79 and 75,824.06

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Solution

The fourth proportional to 91,767.29, 126,565.79 and 75,824.06 is: 104,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,767.29 : 126,565.79 = 75,824.06 : x
  2. Step 2: Convert to fraction form
    91,767.29/126,565.79 = 75,824.06/x
  3. Step 3: Cross multiply
    91,767.29x = 126,565.79 × 75,824.06
  4. Step 4: Simplify right side
    91,767.29x = 9,596,731,042.96
  5. Step 5: Solve for x
    x = 9,596,731,042.96/91,767.29
  6. Step 6: Final answer
    x = 104,576.82

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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.