Home / 71,343.01-98,454.18-39,512.44

Finding the Fourth Proportional to 71,343.01, 98,454.18 and 39,512.44

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Solution

The fourth proportional to 71,343.01, 98,454.18 and 39,512.44 is: 54,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.01 : 98,454.18 = 39,512.44 : x
  2. Step 2: Convert to fraction form
    71,343.01/98,454.18 = 39,512.44/x
  3. Step 3: Cross multiply
    71,343.01x = 98,454.18 × 39,512.44
  4. Step 4: Simplify right side
    71,343.01x = 3,890,164,880.00
  5. Step 5: Solve for x
    x = 3,890,164,880.00/71,343.01
  6. Step 6: Final answer
    x = 54,527.62

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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.