Home / 75,500.10-113,272.02-28,742.04

Finding the Fourth Proportional to 75,500.10, 113,272.02 and 28,742.04

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Solution

The fourth proportional to 75,500.10, 113,272.02 and 28,742.04 is: 43,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,500.10 : 113,272.02 = 28,742.04 : x
  2. Step 2: Convert to fraction form
    75,500.10/113,272.02 = 28,742.04/x
  3. Step 3: Cross multiply
    75,500.10x = 113,272.02 × 28,742.04
  4. Step 4: Simplify right side
    75,500.10x = 3,255,668,929.72
  5. Step 5: Solve for x
    x = 3,255,668,929.72/75,500.10
  6. Step 6: Final answer
    x = 43,121.39

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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.