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Finding the Fourth Proportional to 48,902.40, 73,353.60 and 48,556.80

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Solution

The fourth proportional to 48,902.40, 73,353.60 and 48,556.80 is: 72,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,902.40 : 73,353.60 = 48,556.80 : x
  2. Step 2: Convert to fraction form
    48,902.40/73,353.60 = 48,556.80/x
  3. Step 3: Cross multiply
    48,902.40x = 73,353.60 × 48,556.80
  4. Step 4: Simplify right side
    48,902.40x = 3,561,816,084.48
  5. Step 5: Solve for x
    x = 3,561,816,084.48/48,902.40
  6. Step 6: Final answer
    x = 72,835.20

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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.