Home / 86,179.08-129,267.66-33,625.48

Finding the Fourth Proportional to 86,179.08, 129,267.66 and 33,625.48

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Solution

The fourth proportional to 86,179.08, 129,267.66 and 33,625.48 is: 50,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.08 : 129,267.66 = 33,625.48 : x
  2. Step 2: Convert to fraction form
    86,179.08/129,267.66 = 33,625.48/x
  3. Step 3: Cross multiply
    86,179.08x = 129,267.66 × 33,625.48
  4. Step 4: Simplify right side
    86,179.08x = 4,346,687,115.98
  5. Step 5: Solve for x
    x = 4,346,687,115.98/86,179.08
  6. Step 6: Final answer
    x = 50,437.85

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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.