Home / 89,940.29-134,865.25-29,947.56

Finding the Fourth Proportional to 89,940.29, 134,865.25 and 29,947.56

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Solution

The fourth proportional to 89,940.29, 134,865.25 and 29,947.56 is: 44,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.29 : 134,865.25 = 29,947.56 : x
  2. Step 2: Convert to fraction form
    89,940.29/134,865.25 = 29,947.56/x
  3. Step 3: Cross multiply
    89,940.29x = 134,865.25 × 29,947.56
  4. Step 4: Simplify right side
    89,940.29x = 4,038,884,627.79
  5. Step 5: Solve for x
    x = 4,038,884,627.79/89,940.29
  6. Step 6: Final answer
    x = 44,906.29

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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.