Home / 79,748.91-110,053.80-43,938.15

Finding the Fourth Proportional to 79,748.91, 110,053.80 and 43,938.15

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Solution

The fourth proportional to 79,748.91, 110,053.80 and 43,938.15 is: 60,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,748.91 : 110,053.80 = 43,938.15 : x
  2. Step 2: Convert to fraction form
    79,748.91/110,053.80 = 43,938.15/x
  3. Step 3: Cross multiply
    79,748.91x = 110,053.80 × 43,938.15
  4. Step 4: Simplify right side
    79,748.91x = 4,835,560,372.47
  5. Step 5: Solve for x
    x = 4,835,560,372.47/79,748.91
  6. Step 6: Final answer
    x = 60,634.81

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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.