Home / 91,329.25-137,034.92-58,040.68

Finding the Fourth Proportional to 91,329.25, 137,034.92 and 58,040.68

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Solution

The fourth proportional to 91,329.25, 137,034.92 and 58,040.68 is: 87,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.25 : 137,034.92 = 58,040.68 : x
  2. Step 2: Convert to fraction form
    91,329.25/137,034.92 = 58,040.68/x
  3. Step 3: Cross multiply
    91,329.25x = 137,034.92 × 58,040.68
  4. Step 4: Simplify right side
    91,329.25x = 7,953,599,650.34
  5. Step 5: Solve for x
    x = 7,953,599,650.34/91,329.25
  6. Step 6: Final answer
    x = 87,087.10

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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.