Home / 91,034.79-136,551.44-27,854.66

Finding the Fourth Proportional to 91,034.79, 136,551.44 and 27,854.66

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Solution

The fourth proportional to 91,034.79, 136,551.44 and 27,854.66 is: 41,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.79 : 136,551.44 = 27,854.66 : x
  2. Step 2: Convert to fraction form
    91,034.79/136,551.44 = 27,854.66/x
  3. Step 3: Cross multiply
    91,034.79x = 136,551.44 × 27,854.66
  4. Step 4: Simplify right side
    91,034.79x = 3,803,593,933.71
  5. Step 5: Solve for x
    x = 3,803,593,933.71/91,034.79
  6. Step 6: Final answer
    x = 41,781.76

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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.