Home / 51,454.80-77,182.20-48,344.40

Finding the Fourth Proportional to 51,454.80, 77,182.20 and 48,344.40

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Solution

The fourth proportional to 51,454.80, 77,182.20 and 48,344.40 is: 72,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,454.80 : 77,182.20 = 48,344.40 : x
  2. Step 2: Convert to fraction form
    51,454.80/77,182.20 = 48,344.40/x
  3. Step 3: Cross multiply
    51,454.80x = 77,182.20 × 48,344.40
  4. Step 4: Simplify right side
    51,454.80x = 3,731,327,149.68
  5. Step 5: Solve for x
    x = 3,731,327,149.68/51,454.80
  6. Step 6: Final answer
    x = 72,516.60

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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.