Home / 79,306.69-118,991.18-34,902.30

Finding the Fourth Proportional to 79,306.69, 118,991.18 and 34,902.30

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Solution

The fourth proportional to 79,306.69, 118,991.18 and 34,902.30 is: 52,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.69 : 118,991.18 = 34,902.30 : x
  2. Step 2: Convert to fraction form
    79,306.69/118,991.18 = 34,902.30/x
  3. Step 3: Cross multiply
    79,306.69x = 118,991.18 × 34,902.30
  4. Step 4: Simplify right side
    79,306.69x = 4,153,065,861.71
  5. Step 5: Solve for x
    x = 4,153,065,861.71/79,306.69
  6. Step 6: Final answer
    x = 52,367.16

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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.