Home / 79,763.40-119,644.56-38,084.04

Finding the Fourth Proportional to 79,763.40, 119,644.56 and 38,084.04

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Solution

The fourth proportional to 79,763.40, 119,644.56 and 38,084.04 is: 57,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.40 : 119,644.56 = 38,084.04 : x
  2. Step 2: Convert to fraction form
    79,763.40/119,644.56 = 38,084.04/x
  3. Step 3: Cross multiply
    79,763.40x = 119,644.56 × 38,084.04
  4. Step 4: Simplify right side
    79,763.40x = 4,556,548,208.82
  5. Step 5: Solve for x
    x = 4,556,548,208.82/79,763.40
  6. Step 6: Final answer
    x = 57,125.80

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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.