Home / 75,886.54-113,924.13-49,145.00

Finding the Fourth Proportional to 75,886.54, 113,924.13 and 49,145.00

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Solution

The fourth proportional to 75,886.54, 113,924.13 and 49,145.00 is: 73,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,886.54 : 113,924.13 = 49,145.00 : x
  2. Step 2: Convert to fraction form
    75,886.54/113,924.13 = 49,145.00/x
  3. Step 3: Cross multiply
    75,886.54x = 113,924.13 × 49,145.00
  4. Step 4: Simplify right side
    75,886.54x = 5,598,801,042.15
  5. Step 5: Solve for x
    x = 5,598,801,042.15/75,886.54
  6. Step 6: Final answer
    x = 73,778.58

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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.