Home / 41,280.60-61,920.12-10,116.12

Finding the Fourth Proportional to 41,280.60, 61,920.12 and 10,116.12

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Solution

The fourth proportional to 41,280.60, 61,920.12 and 10,116.12 is: 15,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,280.60 : 61,920.12 = 10,116.12 : x
  2. Step 2: Convert to fraction form
    41,280.60/61,920.12 = 10,116.12/x
  3. Step 3: Cross multiply
    41,280.60x = 61,920.12 × 10,116.12
  4. Step 4: Simplify right side
    41,280.60x = 626,391,364.33
  5. Step 5: Solve for x
    x = 626,391,364.33/41,280.60
  6. Step 6: Final answer
    x = 15,173.99

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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.