Home / 79,330.81-118,920.33-29,397.49

Finding the Fourth Proportional to 79,330.81, 118,920.33 and 29,397.49

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Solution

The fourth proportional to 79,330.81, 118,920.33 and 29,397.49 is: 44,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330.81 : 118,920.33 = 29,397.49 : x
  2. Step 2: Convert to fraction form
    79,330.81/118,920.33 = 29,397.49/x
  3. Step 3: Cross multiply
    79,330.81x = 118,920.33 × 29,397.49
  4. Step 4: Simplify right side
    79,330.81x = 3,495,959,211.97
  5. Step 5: Solve for x
    x = 3,495,959,211.97/79,330.81
  6. Step 6: Final answer
    x = 44,068.11

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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.