Home / 86,684.22-130,037.25-29,769.24

Finding the Fourth Proportional to 86,684.22, 130,037.25 and 29,769.24

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Solution

The fourth proportional to 86,684.22, 130,037.25 and 29,769.24 is: 44,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,684.22 : 130,037.25 = 29,769.24 : x
  2. Step 2: Convert to fraction form
    86,684.22/130,037.25 = 29,769.24/x
  3. Step 3: Cross multiply
    86,684.22x = 130,037.25 × 29,769.24
  4. Step 4: Simplify right side
    86,684.22x = 3,871,110,104.19
  5. Step 5: Solve for x
    x = 3,871,110,104.19/86,684.22
  6. Step 6: Final answer
    x = 44,657.61

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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.