Home / 91,642.28-137,432.66-41,009.58

Finding the Fourth Proportional to 91,642.28, 137,432.66 and 41,009.58

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Solution

The fourth proportional to 91,642.28, 137,432.66 and 41,009.58 is: 61,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,642.28 : 137,432.66 = 41,009.58 : x
  2. Step 2: Convert to fraction form
    91,642.28/137,432.66 = 41,009.58/x
  3. Step 3: Cross multiply
    91,642.28x = 137,432.66 × 41,009.58
  4. Step 4: Simplify right side
    91,642.28x = 5,636,055,664.88
  5. Step 5: Solve for x
    x = 5,636,055,664.88/91,642.28
  6. Step 6: Final answer
    x = 61,500.61

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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.