Home / 75,331.20-103,957.91-41,338.74

Finding the Fourth Proportional to 75,331.20, 103,957.91 and 41,338.74

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Solution

The fourth proportional to 75,331.20, 103,957.91 and 41,338.74 is: 57,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.20 : 103,957.91 = 41,338.74 : x
  2. Step 2: Convert to fraction form
    75,331.20/103,957.91 = 41,338.74/x
  3. Step 3: Cross multiply
    75,331.20x = 103,957.91 × 41,338.74
  4. Step 4: Simplify right side
    75,331.20x = 4,297,489,012.43
  5. Step 5: Solve for x
    x = 4,297,489,012.43/75,331.20
  6. Step 6: Final answer
    x = 57,047.93

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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.