Home / 79,087.22-109,140.35-43,277.22

Finding the Fourth Proportional to 79,087.22, 109,140.35 and 43,277.22

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Solution

The fourth proportional to 79,087.22, 109,140.35 and 43,277.22 is: 59,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087.22 : 109,140.35 = 43,277.22 : x
  2. Step 2: Convert to fraction form
    79,087.22/109,140.35 = 43,277.22/x
  3. Step 3: Cross multiply
    79,087.22x = 109,140.35 × 43,277.22
  4. Step 4: Simplify right side
    79,087.22x = 4,723,290,937.83
  5. Step 5: Solve for x
    x = 4,723,290,937.83/79,087.22
  6. Step 6: Final answer
    x = 59,722.56

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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.