Home / 75,530.70-113,292.45-25,605.90

Finding the Fourth Proportional to 75,530.70, 113,292.45 and 25,605.90

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Solution

The fourth proportional to 75,530.70, 113,292.45 and 25,605.90 is: 38,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.70 : 113,292.45 = 25,605.90 : x
  2. Step 2: Convert to fraction form
    75,530.70/113,292.45 = 25,605.90/x
  3. Step 3: Cross multiply
    75,530.70x = 113,292.45 × 25,605.90
  4. Step 4: Simplify right side
    75,530.70x = 2,900,955,145.46
  5. Step 5: Solve for x
    x = 2,900,955,145.46/75,530.70
  6. Step 6: Final answer
    x = 38,407.63

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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.