Home / 71,137.10-98,055.16-48,159.68

Finding the Fourth Proportional to 71,137.10, 98,055.16 and 48,159.68

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Solution

The fourth proportional to 71,137.10, 98,055.16 and 48,159.68 is: 66,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,137.10 : 98,055.16 = 48,159.68 : x
  2. Step 2: Convert to fraction form
    71,137.10/98,055.16 = 48,159.68/x
  3. Step 3: Cross multiply
    71,137.10x = 98,055.16 × 48,159.68
  4. Step 4: Simplify right side
    71,137.10x = 4,722,304,517.27
  5. Step 5: Solve for x
    x = 4,722,304,517.27/71,137.10
  6. Step 6: Final answer
    x = 66,383.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.