Home / 79,972.63-110,398.15-52,764.73

Finding the Fourth Proportional to 79,972.63, 110,398.15 and 52,764.73

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Solution

The fourth proportional to 79,972.63, 110,398.15 and 52,764.73 is: 72,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,972.63 : 110,398.15 = 52,764.73 : x
  2. Step 2: Convert to fraction form
    79,972.63/110,398.15 = 52,764.73/x
  3. Step 3: Cross multiply
    79,972.63x = 110,398.15 × 52,764.73
  4. Step 4: Simplify right side
    79,972.63x = 5,825,128,367.21
  5. Step 5: Solve for x
    x = 5,825,128,367.21/79,972.63
  6. Step 6: Final answer
    x = 72,839.03

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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.