Home / 71,995.26-99,360.36-40,167.12

Finding the Fourth Proportional to 71,995.26, 99,360.36 and 40,167.12

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Solution

The fourth proportional to 71,995.26, 99,360.36 and 40,167.12 is: 55,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995.26 : 99,360.36 = 40,167.12 : x
  2. Step 2: Convert to fraction form
    71,995.26/99,360.36 = 40,167.12/x
  3. Step 3: Cross multiply
    71,995.26x = 99,360.36 × 40,167.12
  4. Step 4: Simplify right side
    71,995.26x = 3,991,019,503.36
  5. Step 5: Solve for x
    x = 3,991,019,503.36/71,995.26
  6. Step 6: Final answer
    x = 55,434.48

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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.