Home / 89,828.30-134,851.80-45,432.20

Finding the Fourth Proportional to 89,828.30, 134,851.80 and 45,432.20

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Solution

The fourth proportional to 89,828.30, 134,851.80 and 45,432.20 is: 68,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828.30 : 134,851.80 = 45,432.20 : x
  2. Step 2: Convert to fraction form
    89,828.30/134,851.80 = 45,432.20/x
  3. Step 3: Cross multiply
    89,828.30x = 134,851.80 × 45,432.20
  4. Step 4: Simplify right side
    89,828.30x = 6,126,613,947.96
  5. Step 5: Solve for x
    x = 6,126,613,947.96/89,828.30
  6. Step 6: Final answer
    x = 68,203.61

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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.