Home / 86,565.15-129,769.35-33,960.51

Finding the Fourth Proportional to 86,565.15, 129,769.35 and 33,960.51

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Solution

The fourth proportional to 86,565.15, 129,769.35 and 33,960.51 is: 50,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.15 : 129,769.35 = 33,960.51 : x
  2. Step 2: Convert to fraction form
    86,565.15/129,769.35 = 33,960.51/x
  3. Step 3: Cross multiply
    86,565.15x = 129,769.35 × 33,960.51
  4. Step 4: Simplify right side
    86,565.15x = 4,407,033,308.37
  5. Step 5: Solve for x
    x = 4,407,033,308.37/86,565.15
  6. Step 6: Final answer
    x = 50,910.02

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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.