Home / 79,351.08-109,368.13-75,614.05

Finding the Fourth Proportional to 79,351.08, 109,368.13 and 75,614.05

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Solution

The fourth proportional to 79,351.08, 109,368.13 and 75,614.05 is: 104,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.08 : 109,368.13 = 75,614.05 : x
  2. Step 2: Convert to fraction form
    79,351.08/109,368.13 = 75,614.05/x
  3. Step 3: Cross multiply
    79,351.08x = 109,368.13 × 75,614.05
  4. Step 4: Simplify right side
    79,351.08x = 8,269,766,325.32
  5. Step 5: Solve for x
    x = 8,269,766,325.32/79,351.08
  6. Step 6: Final answer
    x = 104,217.44

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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.