Home / 77,277.36-115,918.92-27,362.72

Finding the Fourth Proportional to 77,277.36, 115,918.92 and 27,362.72

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Solution

The fourth proportional to 77,277.36, 115,918.92 and 27,362.72 is: 41,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.36 : 115,918.92 = 27,362.72 : x
  2. Step 2: Convert to fraction form
    77,277.36/115,918.92 = 27,362.72/x
  3. Step 3: Cross multiply
    77,277.36x = 115,918.92 × 27,362.72
  4. Step 4: Simplify right side
    77,277.36x = 3,171,856,950.66
  5. Step 5: Solve for x
    x = 3,171,856,950.66/77,277.36
  6. Step 6: Final answer
    x = 41,045.10

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1.5x scale

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.