Home / 89,211.28-133,826.20-30,053.52

Finding the Fourth Proportional to 89,211.28, 133,826.20 and 30,053.52

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Solution

The fourth proportional to 89,211.28, 133,826.20 and 30,053.52 is: 45,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.28 : 133,826.20 = 30,053.52 : x
  2. Step 2: Convert to fraction form
    89,211.28/133,826.20 = 30,053.52/x
  3. Step 3: Cross multiply
    89,211.28x = 133,826.20 × 30,053.52
  4. Step 4: Simplify right side
    89,211.28x = 4,021,948,378.22
  5. Step 5: Solve for x
    x = 4,021,948,378.22/89,211.28
  6. Step 6: Final answer
    x = 45,083.41

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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.