Home / 75,375.04-113,062.56-28,627.80

Finding the Fourth Proportional to 75,375.04, 113,062.56 and 28,627.80

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Solution

The fourth proportional to 75,375.04, 113,062.56 and 28,627.80 is: 42,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,375.04 : 113,062.56 = 28,627.80 : x
  2. Step 2: Convert to fraction form
    75,375.04/113,062.56 = 28,627.80/x
  3. Step 3: Cross multiply
    75,375.04x = 113,062.56 × 28,627.80
  4. Step 4: Simplify right side
    75,375.04x = 3,236,732,355.17
  5. Step 5: Solve for x
    x = 3,236,732,355.17/75,375.04
  6. Step 6: Final answer
    x = 42,941.70

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1.5x scale

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.