Home / 67,763.58-101,645.61-47,982.30

Finding the Fourth Proportional to 67,763.58, 101,645.61 and 47,982.30

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Solution

The fourth proportional to 67,763.58, 101,645.61 and 47,982.30 is: 71,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763.58 : 101,645.61 = 47,982.30 : x
  2. Step 2: Convert to fraction form
    67,763.58/101,645.61 = 47,982.30/x
  3. Step 3: Cross multiply
    67,763.58x = 101,645.61 × 47,982.30
  4. Step 4: Simplify right side
    67,763.58x = 4,877,190,152.70
  5. Step 5: Solve for x
    x = 4,877,190,152.70/67,763.58
  6. Step 6: Final answer
    x = 71,973.62

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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.