Home / 89,272.23-133,916.20-33,112.95

Finding the Fourth Proportional to 89,272.23, 133,916.20 and 33,112.95

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Solution

The fourth proportional to 89,272.23, 133,916.20 and 33,112.95 is: 49,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272.23 : 133,916.20 = 33,112.95 : x
  2. Step 2: Convert to fraction form
    89,272.23/133,916.20 = 33,112.95/x
  3. Step 3: Cross multiply
    89,272.23x = 133,916.20 × 33,112.95
  4. Step 4: Simplify right side
    89,272.23x = 4,434,360,434.79
  5. Step 5: Solve for x
    x = 4,434,360,434.79/89,272.23
  6. Step 6: Final answer
    x = 49,672.34

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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.