Home / 86,741.40-130,111.38-44,633.28

Finding the Fourth Proportional to 86,741.40, 130,111.38 and 44,633.28

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Solution

The fourth proportional to 86,741.40, 130,111.38 and 44,633.28 is: 66,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.40 : 130,111.38 = 44,633.28 : x
  2. Step 2: Convert to fraction form
    86,741.40/130,111.38 = 44,633.28/x
  3. Step 3: Cross multiply
    86,741.40x = 130,111.38 × 44,633.28
  4. Step 4: Simplify right side
    86,741.40x = 5,807,297,654.73
  5. Step 5: Solve for x
    x = 5,807,297,654.73/86,741.40
  6. Step 6: Final answer
    x = 66,949.55

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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.