Home / 48,613.80-72,920.70-28,882.20

Finding the Fourth Proportional to 48,613.80, 72,920.70 and 28,882.20

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Solution

The fourth proportional to 48,613.80, 72,920.70 and 28,882.20 is: 43,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.80 : 72,920.70 = 28,882.20 : x
  2. Step 2: Convert to fraction form
    48,613.80/72,920.70 = 28,882.20/x
  3. Step 3: Cross multiply
    48,613.80x = 72,920.70 × 28,882.20
  4. Step 4: Simplify right side
    48,613.80x = 2,106,110,241.54
  5. Step 5: Solve for x
    x = 2,106,110,241.54/48,613.80
  6. Step 6: Final answer
    x = 43,323.30

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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.