Home / 86,690.00-129,998.07-34,062.56

Finding the Fourth Proportional to 86,690.00, 129,998.07 and 34,062.56

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Solution

The fourth proportional to 86,690.00, 129,998.07 and 34,062.56 is: 51,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,690.00 : 129,998.07 = 34,062.56 : x
  2. Step 2: Convert to fraction form
    86,690.00/129,998.07 = 34,062.56/x
  3. Step 3: Cross multiply
    86,690.00x = 129,998.07 × 34,062.56
  4. Step 4: Simplify right side
    86,690.00x = 4,428,067,384.25
  5. Step 5: Solve for x
    x = 4,428,067,384.25/86,690.00
  6. Step 6: Final answer
    x = 51,079.34

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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.