Home / 83,442.87-115,150.28-45,717.03

Finding the Fourth Proportional to 83,442.87, 115,150.28 and 45,717.03

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Solution

The fourth proportional to 83,442.87, 115,150.28 and 45,717.03 is: 63,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.87 : 115,150.28 = 45,717.03 : x
  2. Step 2: Convert to fraction form
    83,442.87/115,150.28 = 45,717.03/x
  3. Step 3: Cross multiply
    83,442.87x = 115,150.28 × 45,717.03
  4. Step 4: Simplify right side
    83,442.87x = 5,264,328,576.68
  5. Step 5: Solve for x
    x = 5,264,328,576.68/83,442.87
  6. Step 6: Final answer
    x = 63,089.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.