Home / 84,249.27-116,282.16-57,455.64

Finding the Fourth Proportional to 84,249.27, 116,282.16 and 57,455.64

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Solution

The fourth proportional to 84,249.27, 116,282.16 and 57,455.64 is: 79,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.27 : 116,282.16 = 57,455.64 : x
  2. Step 2: Convert to fraction form
    84,249.27/116,282.16 = 57,455.64/x
  3. Step 3: Cross multiply
    84,249.27x = 116,282.16 × 57,455.64
  4. Step 4: Simplify right side
    84,249.27x = 6,681,065,923.38
  5. Step 5: Solve for x
    x = 6,681,065,923.38/84,249.27
  6. Step 6: Final answer
    x = 79,301.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.