Home / 48,914.40-73,177.20-42,412.80

Finding the Fourth Proportional to 48,914.40, 73,177.20 and 42,412.80

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Solution

The fourth proportional to 48,914.40, 73,177.20 and 42,412.80 is: 63,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,914.40 : 73,177.20 = 42,412.80 : x
  2. Step 2: Convert to fraction form
    48,914.40/73,177.20 = 42,412.80/x
  3. Step 3: Cross multiply
    48,914.40x = 73,177.20 × 42,412.80
  4. Step 4: Simplify right side
    48,914.40x = 3,103,649,948.16
  5. Step 5: Solve for x
    x = 3,103,649,948.16/48,914.40
  6. Step 6: Final answer
    x = 63,450.64

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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.