Home / 97,447.20-146,127.60-44,872.80

Finding the Fourth Proportional to 97,447.20, 146,127.60 and 44,872.80

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Solution

The fourth proportional to 97,447.20, 146,127.60 and 44,872.80 is: 67,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,447.20 : 146,127.60 = 44,872.80 : x
  2. Step 2: Convert to fraction form
    97,447.20/146,127.60 = 44,872.80/x
  3. Step 3: Cross multiply
    97,447.20x = 146,127.60 × 44,872.80
  4. Step 4: Simplify right side
    97,447.20x = 6,557,154,569.28
  5. Step 5: Solve for x
    x = 6,557,154,569.28/97,447.20
  6. Step 6: Final answer
    x = 67,289.31

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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.