Home / 79,027.20-109,060.02-43,218.18

Finding the Fourth Proportional to 79,027.20, 109,060.02 and 43,218.18

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Solution

The fourth proportional to 79,027.20, 109,060.02 and 43,218.18 is: 59,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.20 : 109,060.02 = 43,218.18 : x
  2. Step 2: Convert to fraction form
    79,027.20/109,060.02 = 43,218.18/x
  3. Step 3: Cross multiply
    79,027.20x = 109,060.02 × 43,218.18
  4. Step 4: Simplify right side
    79,027.20x = 4,713,375,575.16
  5. Step 5: Solve for x
    x = 4,713,375,575.16/79,027.20
  6. Step 6: Final answer
    x = 59,642.45

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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.