Home / 85,994.10-129,040.92-36,069.72

Finding the Fourth Proportional to 85,994.10, 129,040.92 and 36,069.72

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Solution

The fourth proportional to 85,994.10, 129,040.92 and 36,069.72 is: 54,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.10 : 129,040.92 = 36,069.72 : x
  2. Step 2: Convert to fraction form
    85,994.10/129,040.92 = 36,069.72/x
  3. Step 3: Cross multiply
    85,994.10x = 129,040.92 × 36,069.72
  4. Step 4: Simplify right side
    85,994.10x = 4,654,469,852.94
  5. Step 5: Solve for x
    x = 4,654,469,852.94/85,994.10
  6. Step 6: Final answer
    x = 54,125.46

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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.