Home / 48,988.20-73,482.30-25,621.80

Finding the Fourth Proportional to 48,988.20, 73,482.30 and 25,621.80

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Solution

The fourth proportional to 48,988.20, 73,482.30 and 25,621.80 is: 38,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.20 : 73,482.30 = 25,621.80 : x
  2. Step 2: Convert to fraction form
    48,988.20/73,482.30 = 25,621.80/x
  3. Step 3: Cross multiply
    48,988.20x = 73,482.30 × 25,621.80
  4. Step 4: Simplify right side
    48,988.20x = 1,882,748,794.14
  5. Step 5: Solve for x
    x = 1,882,748,794.14/48,988.20
  6. Step 6: Final answer
    x = 38,432.70

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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.