Home / 84,302.68-126,470.40-25,137.04

Finding the Fourth Proportional to 84,302.68, 126,470.40 and 25,137.04

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Solution

The fourth proportional to 84,302.68, 126,470.40 and 25,137.04 is: 37,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,302.68 : 126,470.40 = 25,137.04 : x
  2. Step 2: Convert to fraction form
    84,302.68/126,470.40 = 25,137.04/x
  3. Step 3: Cross multiply
    84,302.68x = 126,470.40 × 25,137.04
  4. Step 4: Simplify right side
    84,302.68x = 3,179,091,503.62
  5. Step 5: Solve for x
    x = 3,179,091,503.62/84,302.68
  6. Step 6: Final answer
    x = 37,710.44

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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.