Home / 71,241.12-98,345.52-50,839.20

Finding the Fourth Proportional to 71,241.12, 98,345.52 and 50,839.20

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Solution

The fourth proportional to 71,241.12, 98,345.52 and 50,839.20 is: 70,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,241.12 : 98,345.52 = 50,839.20 : x
  2. Step 2: Convert to fraction form
    71,241.12/98,345.52 = 50,839.20/x
  3. Step 3: Cross multiply
    71,241.12x = 98,345.52 × 50,839.20
  4. Step 4: Simplify right side
    71,241.12x = 4,999,807,560.38
  5. Step 5: Solve for x
    x = 4,999,807,560.38/71,241.12
  6. Step 6: Final answer
    x = 70,181.48

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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.