Home / 77,784.21-116,700.52-27,864.73

Finding the Fourth Proportional to 77,784.21, 116,700.52 and 27,864.73

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Solution

The fourth proportional to 77,784.21, 116,700.52 and 27,864.73 is: 41,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,784.21 : 116,700.52 = 27,864.73 : x
  2. Step 2: Convert to fraction form
    77,784.21/116,700.52 = 27,864.73/x
  3. Step 3: Cross multiply
    77,784.21x = 116,700.52 × 27,864.73
  4. Step 4: Simplify right side
    77,784.21x = 3,251,828,480.66
  5. Step 5: Solve for x
    x = 3,251,828,480.66/77,784.21
  6. Step 6: Final answer
    x = 41,805.77

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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.