Home / 78,956.33-118,481.18-29,071.49

Finding the Fourth Proportional to 78,956.33, 118,481.18 and 29,071.49

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Solution

The fourth proportional to 78,956.33, 118,481.18 and 29,071.49 is: 43,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,956.33 : 118,481.18 = 29,071.49 : x
  2. Step 2: Convert to fraction form
    78,956.33/118,481.18 = 29,071.49/x
  3. Step 3: Cross multiply
    78,956.33x = 118,481.18 × 29,071.49
  4. Step 4: Simplify right side
    78,956.33x = 3,444,423,701.79
  5. Step 5: Solve for x
    x = 3,444,423,701.79/78,956.33
  6. Step 6: Final answer
    x = 43,624.42

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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.