Home / 91,756.15-137,617.79-25,187.52

Finding the Fourth Proportional to 91,756.15, 137,617.79 and 25,187.52

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Solution

The fourth proportional to 91,756.15, 137,617.79 and 25,187.52 is: 37,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.15 : 137,617.79 = 25,187.52 : x
  2. Step 2: Convert to fraction form
    91,756.15/137,617.79 = 25,187.52/x
  3. Step 3: Cross multiply
    91,756.15x = 137,617.79 × 25,187.52
  4. Step 4: Simplify right side
    91,756.15x = 3,466,250,556.91
  5. Step 5: Solve for x
    x = 3,466,250,556.91/91,756.15
  6. Step 6: Final answer
    x = 37,776.76

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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.