Home / 48,880.40-73,090.20-36,438.80

Finding the Fourth Proportional to 48,880.40, 73,090.20 and 36,438.80

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Solution

The fourth proportional to 48,880.40, 73,090.20 and 36,438.80 is: 54,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880.40 : 73,090.20 = 36,438.80 : x
  2. Step 2: Convert to fraction form
    48,880.40/73,090.20 = 36,438.80/x
  3. Step 3: Cross multiply
    48,880.40x = 73,090.20 × 36,438.80
  4. Step 4: Simplify right side
    48,880.40x = 2,663,319,179.76
  5. Step 5: Solve for x
    x = 2,663,319,179.76/48,880.40
  6. Step 6: Final answer
    x = 54,486.44

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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.