Home / 75,207.48-112,775.82-43,626.52

Finding the Fourth Proportional to 75,207.48, 112,775.82 and 43,626.52

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Solution

The fourth proportional to 75,207.48, 112,775.82 and 43,626.52 is: 65,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,207.48 : 112,775.82 = 43,626.52 : x
  2. Step 2: Convert to fraction form
    75,207.48/112,775.82 = 43,626.52/x
  3. Step 3: Cross multiply
    75,207.48x = 112,775.82 × 43,626.52
  4. Step 4: Simplify right side
    75,207.48x = 4,920,016,566.75
  5. Step 5: Solve for x
    x = 4,920,016,566.75/75,207.48
  6. Step 6: Final answer
    x = 65,419.25

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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.