Home / 79,729.04-110,028.84-43,920.56

Finding the Fourth Proportional to 79,729.04, 110,028.84 and 43,920.56

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Solution

The fourth proportional to 79,729.04, 110,028.84 and 43,920.56 is: 60,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729.04 : 110,028.84 = 43,920.56 : x
  2. Step 2: Convert to fraction form
    79,729.04/110,028.84 = 43,920.56/x
  3. Step 3: Cross multiply
    79,729.04x = 110,028.84 × 43,920.56
  4. Step 4: Simplify right side
    79,729.04x = 4,832,528,268.95
  5. Step 5: Solve for x
    x = 4,832,528,268.95/79,729.04
  6. Step 6: Final answer
    x = 60,611.90

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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.