Home / 49,917.60-74,779.20-27,691.20

Finding the Fourth Proportional to 49,917.60, 74,779.20 and 27,691.20

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Solution

The fourth proportional to 49,917.60, 74,779.20 and 27,691.20 is: 41,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.60 : 74,779.20 = 27,691.20 : x
  2. Step 2: Convert to fraction form
    49,917.60/74,779.20 = 27,691.20/x
  3. Step 3: Cross multiply
    49,917.60x = 74,779.20 × 27,691.20
  4. Step 4: Simplify right side
    49,917.60x = 2,070,725,783.04
  5. Step 5: Solve for x
    x = 2,070,725,783.04/49,917.60
  6. Step 6: Final answer
    x = 41,482.88

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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.