Home / 84,273.04-126,446.44-39,931.44

Finding the Fourth Proportional to 84,273.04, 126,446.44 and 39,931.44

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Solution

The fourth proportional to 84,273.04, 126,446.44 and 39,931.44 is: 59,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.04 : 126,446.44 = 39,931.44 : x
  2. Step 2: Convert to fraction form
    84,273.04/126,446.44 = 39,931.44/x
  3. Step 3: Cross multiply
    84,273.04x = 126,446.44 × 39,931.44
  4. Step 4: Simplify right side
    84,273.04x = 5,049,188,432.07
  5. Step 5: Solve for x
    x = 5,049,188,432.07/84,273.04
  6. Step 6: Final answer
    x = 59,914.64

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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.