Home / 83,108.10-124,577.10-40,923.30

Finding the Fourth Proportional to 83,108.10, 124,577.10 and 40,923.30

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Solution

The fourth proportional to 83,108.10, 124,577.10 and 40,923.30 is: 61,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.10 : 124,577.10 = 40,923.30 : x
  2. Step 2: Convert to fraction form
    83,108.10/124,577.10 = 40,923.30/x
  3. Step 3: Cross multiply
    83,108.10x = 124,577.10 × 40,923.30
  4. Step 4: Simplify right side
    83,108.10x = 5,098,106,036.43
  5. Step 5: Solve for x
    x = 5,098,106,036.43/83,108.10
  6. Step 6: Final answer
    x = 61,343.07

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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.