Home / 91,873.13-137,845.34-35,752.65

Finding the Fourth Proportional to 91,873.13, 137,845.34 and 35,752.65

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Solution

The fourth proportional to 91,873.13, 137,845.34 and 35,752.65 is: 53,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.13 : 137,845.34 = 35,752.65 : x
  2. Step 2: Convert to fraction form
    91,873.13/137,845.34 = 35,752.65/x
  3. Step 3: Cross multiply
    91,873.13x = 137,845.34 × 35,752.65
  4. Step 4: Simplify right side
    91,873.13x = 4,928,336,408.92
  5. Step 5: Solve for x
    x = 4,928,336,408.92/91,873.13
  6. Step 6: Final answer
    x = 53,642.85

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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.