Home / 89,914.48-124,081.20-51,676

Finding the Fourth Proportional to 89,914.48, 124,081.20 and 51,676

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Solution

The fourth proportional to 89,914.48, 124,081.20 and 51,676 is: 71,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.48 : 124,081.20 = 51,676 : x
  2. Step 2: Convert to fraction form
    89,914.48/124,081.20 = 51,676/x
  3. Step 3: Cross multiply
    89,914.48x = 124,081.20 × 51,676
  4. Step 4: Simplify right side
    89,914.48x = 6,412,020,091.20
  5. Step 5: Solve for x
    x = 6,412,020,091.20/89,914.48
  6. Step 6: Final answer
    x = 71,312.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.