Home / 51,325.95-76,888.49-45,753.15

Finding the Fourth Proportional to 51,325.95, 76,888.49 and 45,753.15

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Solution

The fourth proportional to 51,325.95, 76,888.49 and 45,753.15 is: 68,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325.95 : 76,888.49 = 45,753.15 : x
  2. Step 2: Convert to fraction form
    51,325.95/76,888.49 = 45,753.15/x
  3. Step 3: Cross multiply
    51,325.95x = 76,888.49 × 45,753.15
  4. Step 4: Simplify right side
    51,325.95x = 3,517,890,387.48
  5. Step 5: Solve for x
    x = 3,517,890,387.48/51,325.95
  6. Step 6: Final answer
    x = 68,540.19

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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.