Home / 79,729.54-110,023.23-45,713.68

Finding the Fourth Proportional to 79,729.54, 110,023.23 and 45,713.68

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Solution

The fourth proportional to 79,729.54, 110,023.23 and 45,713.68 is: 63,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729.54 : 110,023.23 = 45,713.68 : x
  2. Step 2: Convert to fraction form
    79,729.54/110,023.23 = 45,713.68/x
  3. Step 3: Cross multiply
    79,729.54x = 110,023.23 × 45,713.68
  4. Step 4: Simplify right side
    79,729.54x = 5,029,566,728.79
  5. Step 5: Solve for x
    x = 5,029,566,728.79/79,729.54
  6. Step 6: Final answer
    x = 63,082.85

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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.