Home / 79,340.75-109,490.37-43,531.01

Finding the Fourth Proportional to 79,340.75, 109,490.37 and 43,531.01

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Solution

The fourth proportional to 79,340.75, 109,490.37 and 43,531.01 is: 60,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.75 : 109,490.37 = 43,531.01 : x
  2. Step 2: Convert to fraction form
    79,340.75/109,490.37 = 43,531.01/x
  3. Step 3: Cross multiply
    79,340.75x = 109,490.37 × 43,531.01
  4. Step 4: Simplify right side
    79,340.75x = 4,766,226,391.37
  5. Step 5: Solve for x
    x = 4,766,226,391.37/79,340.75
  6. Step 6: Final answer
    x = 60,072.87

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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.