Home / 83,310.40-124,999.62-43,902.28

Finding the Fourth Proportional to 83,310.40, 124,999.62 and 43,902.28

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Solution

The fourth proportional to 83,310.40, 124,999.62 and 43,902.28 is: 65,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,310.40 : 124,999.62 = 43,902.28 : x
  2. Step 2: Convert to fraction form
    83,310.40/124,999.62 = 43,902.28/x
  3. Step 3: Cross multiply
    83,310.40x = 124,999.62 × 43,902.28
  4. Step 4: Simplify right side
    83,310.40x = 5,487,768,317.13
  5. Step 5: Solve for x
    x = 5,487,768,317.13/83,310.40
  6. Step 6: Final answer
    x = 65,871.35

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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.