Home / 79,087.04-109,140.11-43,277.05

Finding the Fourth Proportional to 79,087.04, 109,140.11 and 43,277.05

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Solution

The fourth proportional to 79,087.04, 109,140.11 and 43,277.05 is: 59,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087.04 : 109,140.11 = 43,277.05 : x
  2. Step 2: Convert to fraction form
    79,087.04/109,140.11 = 43,277.05/x
  3. Step 3: Cross multiply
    79,087.04x = 109,140.11 × 43,277.05
  4. Step 4: Simplify right side
    79,087.04x = 4,723,262,079.80
  5. Step 5: Solve for x
    x = 4,723,262,079.80/79,087.04
  6. Step 6: Final answer
    x = 59,722.33

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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.