Home / 77,278.14-115,872.75-41,210.10

Finding the Fourth Proportional to 77,278.14, 115,872.75 and 41,210.10

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Solution

The fourth proportional to 77,278.14, 115,872.75 and 41,210.10 is: 61,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278.14 : 115,872.75 = 41,210.10 : x
  2. Step 2: Convert to fraction form
    77,278.14/115,872.75 = 41,210.10/x
  3. Step 3: Cross multiply
    77,278.14x = 115,872.75 × 41,210.10
  4. Step 4: Simplify right side
    77,278.14x = 4,775,127,614.78
  5. Step 5: Solve for x
    x = 4,775,127,614.78/77,278.14
  6. Step 6: Final answer
    x = 61,791.44

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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.