Home / 85,999.24-129,004.80-36,029.13

Finding the Fourth Proportional to 85,999.24, 129,004.80 and 36,029.13

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Solution

The fourth proportional to 85,999.24, 129,004.80 and 36,029.13 is: 54,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,999.24 : 129,004.80 = 36,029.13 : x
  2. Step 2: Convert to fraction form
    85,999.24/129,004.80 = 36,029.13/x
  3. Step 3: Cross multiply
    85,999.24x = 129,004.80 × 36,029.13
  4. Step 4: Simplify right side
    85,999.24x = 4,647,930,709.82
  5. Step 5: Solve for x
    x = 4,647,930,709.82/85,999.24
  6. Step 6: Final answer
    x = 54,046.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.