Home / 86,747.20-130,032.08-49,228

Finding the Fourth Proportional to 86,747.20, 130,032.08 and 49,228

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Solution

The fourth proportional to 86,747.20, 130,032.08 and 49,228 is: 73,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,747.20 : 130,032.08 = 49,228 : x
  2. Step 2: Convert to fraction form
    86,747.20/130,032.08 = 49,228/x
  3. Step 3: Cross multiply
    86,747.20x = 130,032.08 × 49,228
  4. Step 4: Simplify right side
    86,747.20x = 6,401,219,234.24
  5. Step 5: Solve for x
    x = 6,401,219,234.24/86,747.20
  6. Step 6: Final answer
    x = 73,791.65

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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.