Home / 86,712.12-130,067.51-44,604

Finding the Fourth Proportional to 86,712.12, 130,067.51 and 44,604

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Solution

The fourth proportional to 86,712.12, 130,067.51 and 44,604 is: 66,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712.12 : 130,067.51 = 44,604 : x
  2. Step 2: Convert to fraction form
    86,712.12/130,067.51 = 44,604/x
  3. Step 3: Cross multiply
    86,712.12x = 130,067.51 × 44,604
  4. Step 4: Simplify right side
    86,712.12x = 5,801,530,993.02
  5. Step 5: Solve for x
    x = 5,801,530,993.02/86,712.12
  6. Step 6: Final answer
    x = 66,905.65

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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.