Home / 77,010.03-115,273.04-48,961.76

Finding the Fourth Proportional to 77,010.03, 115,273.04 and 48,961.76

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Solution

The fourth proportional to 77,010.03, 115,273.04 and 48,961.76 is: 73,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,010.03 : 115,273.04 = 48,961.76 : x
  2. Step 2: Convert to fraction form
    77,010.03/115,273.04 = 48,961.76/x
  3. Step 3: Cross multiply
    77,010.03x = 115,273.04 × 48,961.76
  4. Step 4: Simplify right side
    77,010.03x = 5,643,970,097.78
  5. Step 5: Solve for x
    x = 5,643,970,097.78/77,010.03
  6. Step 6: Final answer
    x = 73,288.77

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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.