Home / 124,958.02-187,436.87-31,463.78

Finding the Fourth Proportional to 124,958.02, 187,436.87 and 31,463.78

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Solution

The fourth proportional to 124,958.02, 187,436.87 and 31,463.78 is: 47,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,958.02 : 187,436.87 = 31,463.78 : x
  2. Step 2: Convert to fraction form
    124,958.02/187,436.87 = 31,463.78/x
  3. Step 3: Cross multiply
    124,958.02x = 187,436.87 × 31,463.78
  4. Step 4: Simplify right side
    124,958.02x = 5,897,472,441.57
  5. Step 5: Solve for x
    x = 5,897,472,441.57/124,958.02
  6. Step 6: Final answer
    x = 47,195.63

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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.