Home / 75,500.24-113,264.94-40,479.08

Finding the Fourth Proportional to 75,500.24, 113,264.94 and 40,479.08

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Solution

The fourth proportional to 75,500.24, 113,264.94 and 40,479.08 is: 60,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,500.24 : 113,264.94 = 40,479.08 : x
  2. Step 2: Convert to fraction form
    75,500.24/113,264.94 = 40,479.08/x
  3. Step 3: Cross multiply
    75,500.24x = 113,264.94 × 40,479.08
  4. Step 4: Simplify right side
    75,500.24x = 4,584,860,567.46
  5. Step 5: Solve for x
    x = 4,584,860,567.46/75,500.24
  6. Step 6: Final answer
    x = 60,726.44

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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.