Home / 75,760.32-113,656.88-29,013.20

Finding the Fourth Proportional to 75,760.32, 113,656.88 and 29,013.20

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Solution

The fourth proportional to 75,760.32, 113,656.88 and 29,013.20 is: 43,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,760.32 : 113,656.88 = 29,013.20 : x
  2. Step 2: Convert to fraction form
    75,760.32/113,656.88 = 29,013.20/x
  3. Step 3: Cross multiply
    75,760.32x = 113,656.88 × 29,013.20
  4. Step 4: Simplify right side
    75,760.32x = 3,297,549,077.47
  5. Step 5: Solve for x
    x = 3,297,549,077.47/75,760.32
  6. Step 6: Final answer
    x = 43,526.07

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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.