Home / 69,445.20-103,989.87-48,068.29

Finding the Fourth Proportional to 69,445.20, 103,989.87 and 48,068.29

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Solution

The fourth proportional to 69,445.20, 103,989.87 and 48,068.29 is: 71,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,445.20 : 103,989.87 = 48,068.29 : x
  2. Step 2: Convert to fraction form
    69,445.20/103,989.87 = 48,068.29/x
  3. Step 3: Cross multiply
    69,445.20x = 103,989.87 × 48,068.29
  4. Step 4: Simplify right side
    69,445.20x = 4,998,615,228.22
  5. Step 5: Solve for x
    x = 4,998,615,228.22/69,445.20
  6. Step 6: Final answer
    x = 71,979.28

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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.