Home / 48,877.40-73,405.20-42,753.80

Finding the Fourth Proportional to 48,877.40, 73,405.20 and 42,753.80

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Solution

The fourth proportional to 48,877.40, 73,405.20 and 42,753.80 is: 64,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,877.40 : 73,405.20 = 42,753.80 : x
  2. Step 2: Convert to fraction form
    48,877.40/73,405.20 = 42,753.80/x
  3. Step 3: Cross multiply
    48,877.40x = 73,405.20 × 42,753.80
  4. Step 4: Simplify right side
    48,877.40x = 3,138,351,239.76
  5. Step 5: Solve for x
    x = 3,138,351,239.76/48,877.40
  6. Step 6: Final answer
    x = 64,208.64

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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.