Home / 86,045.12-129,067.52-33,491.52

Finding the Fourth Proportional to 86,045.12, 129,067.52 and 33,491.52

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Solution

The fourth proportional to 86,045.12, 129,067.52 and 33,491.52 is: 50,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,045.12 : 129,067.52 = 33,491.52 : x
  2. Step 2: Convert to fraction form
    86,045.12/129,067.52 = 33,491.52/x
  3. Step 3: Cross multiply
    86,045.12x = 129,067.52 × 33,491.52
  4. Step 4: Simplify right side
    86,045.12x = 4,322,667,427.43
  5. Step 5: Solve for x
    x = 4,322,667,427.43/86,045.12
  6. Step 6: Final answer
    x = 50,237.22

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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.