Home / 48,697.20-72,988.20-25,311.60

Finding the Fourth Proportional to 48,697.20, 72,988.20 and 25,311.60

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Solution

The fourth proportional to 48,697.20, 72,988.20 and 25,311.60 is: 37,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,697.20 : 72,988.20 = 25,311.60 : x
  2. Step 2: Convert to fraction form
    48,697.20/72,988.20 = 25,311.60/x
  3. Step 3: Cross multiply
    48,697.20x = 72,988.20 × 25,311.60
  4. Step 4: Simplify right side
    48,697.20x = 1,847,448,123.12
  5. Step 5: Solve for x
    x = 1,847,448,123.12/48,697.20
  6. Step 6: Final answer
    x = 37,937.46

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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.