Home / 75,334.60-112,872.30-49,025.80

Finding the Fourth Proportional to 75,334.60, 112,872.30 and 49,025.80

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Solution

The fourth proportional to 75,334.60, 112,872.30 and 49,025.80 is: 73,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,334.60 : 112,872.30 = 49,025.80 : x
  2. Step 2: Convert to fraction form
    75,334.60/112,872.30 = 49,025.80/x
  3. Step 3: Cross multiply
    75,334.60x = 112,872.30 × 49,025.80
  4. Step 4: Simplify right side
    75,334.60x = 5,533,654,805.34
  5. Step 5: Solve for x
    x = 5,533,654,805.34/75,334.60
  6. Step 6: Final answer
    x = 73,454.36

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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.