Home / 121,825.44-182,815.92-47,005.92

Finding the Fourth Proportional to 121,825.44, 182,815.92 and 47,005.92

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Solution

The fourth proportional to 121,825.44, 182,815.92 and 47,005.92 is: 70,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,825.44 : 182,815.92 = 47,005.92 : x
  2. Step 2: Convert to fraction form
    121,825.44/182,815.92 = 47,005.92/x
  3. Step 3: Cross multiply
    121,825.44x = 182,815.92 × 47,005.92
  4. Step 4: Simplify right side
    121,825.44x = 8,593,430,510.25
  5. Step 5: Solve for x
    x = 8,593,430,510.25/121,825.44
  6. Step 6: Final answer
    x = 70,538.88

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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.