Home / 79,114.57-109,177.25-45,122.18

Finding the Fourth Proportional to 79,114.57, 109,177.25 and 45,122.18

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Solution

The fourth proportional to 79,114.57, 109,177.25 and 45,122.18 is: 62,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.57 : 109,177.25 = 45,122.18 : x
  2. Step 2: Convert to fraction form
    79,114.57/109,177.25 = 45,122.18/x
  3. Step 3: Cross multiply
    79,114.57x = 109,177.25 × 45,122.18
  4. Step 4: Simplify right side
    79,114.57x = 4,926,315,093.32
  5. Step 5: Solve for x
    x = 4,926,315,093.32/79,114.57
  6. Step 6: Final answer
    x = 62,268.12

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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.