Home / 78,316.34-108,081.89-44,324.86

Finding the Fourth Proportional to 78,316.34, 108,081.89 and 44,324.86

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Solution

The fourth proportional to 78,316.34, 108,081.89 and 44,324.86 is: 61,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.34 : 108,081.89 = 44,324.86 : x
  2. Step 2: Convert to fraction form
    78,316.34/108,081.89 = 44,324.86/x
  3. Step 3: Cross multiply
    78,316.34x = 108,081.89 × 44,324.86
  4. Step 4: Simplify right side
    78,316.34x = 4,790,714,642.79
  5. Step 5: Solve for x
    x = 4,790,714,642.79/78,316.34
  6. Step 6: Final answer
    x = 61,171.33

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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.