Home / 79,833.12-110,171.04-47,995.92

Finding the Fourth Proportional to 79,833.12, 110,171.04 and 47,995.92

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Solution

The fourth proportional to 79,833.12, 110,171.04 and 47,995.92 is: 66,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,833.12 : 110,171.04 = 47,995.92 : x
  2. Step 2: Convert to fraction form
    79,833.12/110,171.04 = 47,995.92/x
  3. Step 3: Cross multiply
    79,833.12x = 110,171.04 × 47,995.92
  4. Step 4: Simplify right side
    79,833.12x = 5,287,760,422.16
  5. Step 5: Solve for x
    x = 5,287,760,422.16/79,833.12
  6. Step 6: Final answer
    x = 66,235.17

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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.