Home / 75,929.28-113,918.28-36,489.24

Finding the Fourth Proportional to 75,929.28, 113,918.28 and 36,489.24

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Solution

The fourth proportional to 75,929.28, 113,918.28 and 36,489.24 is: 54,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,929.28 : 113,918.28 = 36,489.24 : x
  2. Step 2: Convert to fraction form
    75,929.28/113,918.28 = 36,489.24/x
  3. Step 3: Cross multiply
    75,929.28x = 113,918.28 × 36,489.24
  4. Step 4: Simplify right side
    75,929.28x = 4,156,791,459.31
  5. Step 5: Solve for x
    x = 4,156,791,459.31/75,929.28
  6. Step 6: Final answer
    x = 54,745.57

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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.