Home / 83,654.70-125,452.08-30,333.24

Finding the Fourth Proportional to 83,654.70, 125,452.08 and 30,333.24

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Solution

The fourth proportional to 83,654.70, 125,452.08 and 30,333.24 is: 45,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,654.70 : 125,452.08 = 30,333.24 : x
  2. Step 2: Convert to fraction form
    83,654.70/125,452.08 = 30,333.24/x
  3. Step 3: Cross multiply
    83,654.70x = 125,452.08 × 30,333.24
  4. Step 4: Simplify right side
    83,654.70x = 3,805,368,051.14
  5. Step 5: Solve for x
    x = 3,805,368,051.14/83,654.70
  6. Step 6: Final answer
    x = 45,488.99

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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.