Home / 86,660.70-130,003.20-34,057.95

Finding the Fourth Proportional to 86,660.70, 130,003.20 and 34,057.95

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Solution

The fourth proportional to 86,660.70, 130,003.20 and 34,057.95 is: 51,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.70 : 130,003.20 = 34,057.95 : x
  2. Step 2: Convert to fraction form
    86,660.70/130,003.20 = 34,057.95/x
  3. Step 3: Cross multiply
    86,660.70x = 130,003.20 × 34,057.95
  4. Step 4: Simplify right side
    86,660.70x = 4,427,642,485.44
  5. Step 5: Solve for x
    x = 4,427,642,485.44/86,660.70
  6. Step 6: Final answer
    x = 51,091.70

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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.