Home / 72,344.20-108,516.30-41,240.20

Finding the Fourth Proportional to 72,344.20, 108,516.30 and 41,240.20

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Solution

The fourth proportional to 72,344.20, 108,516.30 and 41,240.20 is: 61,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.20 : 108,516.30 = 41,240.20 : x
  2. Step 2: Convert to fraction form
    72,344.20/108,516.30 = 41,240.20/x
  3. Step 3: Cross multiply
    72,344.20x = 108,516.30 × 41,240.20
  4. Step 4: Simplify right side
    72,344.20x = 4,475,233,915.26
  5. Step 5: Solve for x
    x = 4,475,233,915.26/72,344.20
  6. Step 6: Final answer
    x = 61,860.30

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1.5x scale

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.