Home / 77,284.38-115,755.30-59,383.28

Finding the Fourth Proportional to 77,284.38, 115,755.30 and 59,383.28

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Solution

The fourth proportional to 77,284.38, 115,755.30 and 59,383.28 is: 88,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,284.38 : 115,755.30 = 59,383.28 : x
  2. Step 2: Convert to fraction form
    77,284.38/115,755.30 = 59,383.28/x
  3. Step 3: Cross multiply
    77,284.38x = 115,755.30 × 59,383.28
  4. Step 4: Simplify right side
    77,284.38x = 6,873,928,812.61
  5. Step 5: Solve for x
    x = 6,873,928,812.61/77,284.38
  6. Step 6: Final answer
    x = 88,943.31

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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.