Home / 77,860.11-116,805.77-27,944.12

Finding the Fourth Proportional to 77,860.11, 116,805.77 and 27,944.12

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Solution

The fourth proportional to 77,860.11, 116,805.77 and 27,944.12 is: 41,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860.11 : 116,805.77 = 27,944.12 : x
  2. Step 2: Convert to fraction form
    77,860.11/116,805.77 = 27,944.12/x
  3. Step 3: Cross multiply
    77,860.11x = 116,805.77 × 27,944.12
  4. Step 4: Simplify right side
    77,860.11x = 3,264,033,729.82
  5. Step 5: Solve for x
    x = 3,264,033,729.82/77,860.11
  6. Step 6: Final answer
    x = 41,921.77

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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.