Home / 89,886.40-134,829.44-30,722.56

Finding the Fourth Proportional to 89,886.40, 134,829.44 and 30,722.56

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Solution

The fourth proportional to 89,886.40, 134,829.44 and 30,722.56 is: 46,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886.40 : 134,829.44 = 30,722.56 : x
  2. Step 2: Convert to fraction form
    89,886.40/134,829.44 = 30,722.56/x
  3. Step 3: Cross multiply
    89,886.40x = 134,829.44 × 30,722.56
  4. Step 4: Simplify right side
    89,886.40x = 4,142,305,560.17
  5. Step 5: Solve for x
    x = 4,142,305,560.17/89,886.40
  6. Step 6: Final answer
    x = 46,083.79

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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.