Home / 74,449.28-102,756.20-45,793.55

Finding the Fourth Proportional to 74,449.28, 102,756.20 and 45,793.55

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Solution

The fourth proportional to 74,449.28, 102,756.20 and 45,793.55 is: 63,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.28 : 102,756.20 = 45,793.55 : x
  2. Step 2: Convert to fraction form
    74,449.28/102,756.20 = 45,793.55/x
  3. Step 3: Cross multiply
    74,449.28x = 102,756.20 × 45,793.55
  4. Step 4: Simplify right side
    74,449.28x = 4,705,570,439.76
  5. Step 5: Solve for x
    x = 4,705,570,439.76/74,449.28
  6. Step 6: Final answer
    x = 63,205.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.