Home / 89,517.60-134,114.40-42,667.20

Finding the Fourth Proportional to 89,517.60, 134,114.40 and 42,667.20

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Solution

The fourth proportional to 89,517.60, 134,114.40 and 42,667.20 is: 63,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.60 : 134,114.40 = 42,667.20 : x
  2. Step 2: Convert to fraction form
    89,517.60/134,114.40 = 42,667.20/x
  3. Step 3: Cross multiply
    89,517.60x = 134,114.40 × 42,667.20
  4. Step 4: Simplify right side
    89,517.60x = 5,722,285,927.68
  5. Step 5: Solve for x
    x = 5,722,285,927.68/89,517.60
  6. Step 6: Final answer
    x = 63,923.59

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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.