Home / 75,036.10-112,517.70-41,720.80

Finding the Fourth Proportional to 75,036.10, 112,517.70 and 41,720.80

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Solution

The fourth proportional to 75,036.10, 112,517.70 and 41,720.80 is: 62,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.10 : 112,517.70 = 41,720.80 : x
  2. Step 2: Convert to fraction form
    75,036.10/112,517.70 = 41,720.80/x
  3. Step 3: Cross multiply
    75,036.10x = 112,517.70 × 41,720.80
  4. Step 4: Simplify right side
    75,036.10x = 4,694,328,458.16
  5. Step 5: Solve for x
    x = 4,694,328,458.16/75,036.10
  6. Step 6: Final answer
    x = 62,560.93

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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.