Home / 89,241.28-133,862.38-30,077.46

Finding the Fourth Proportional to 89,241.28, 133,862.38 and 30,077.46

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Solution

The fourth proportional to 89,241.28, 133,862.38 and 30,077.46 is: 45,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,241.28 : 133,862.38 = 30,077.46 : x
  2. Step 2: Convert to fraction form
    89,241.28/133,862.38 = 30,077.46/x
  3. Step 3: Cross multiply
    89,241.28x = 133,862.38 × 30,077.46
  4. Step 4: Simplify right side
    89,241.28x = 4,026,240,789.80
  5. Step 5: Solve for x
    x = 4,026,240,789.80/89,241.28
  6. Step 6: Final answer
    x = 45,116.35

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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.