Home / 77,330.77-115,971.45-24,727.75

Finding the Fourth Proportional to 77,330.77, 115,971.45 and 24,727.75

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Solution

The fourth proportional to 77,330.77, 115,971.45 and 24,727.75 is: 37,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.77 : 115,971.45 = 24,727.75 : x
  2. Step 2: Convert to fraction form
    77,330.77/115,971.45 = 24,727.75/x
  3. Step 3: Cross multiply
    77,330.77x = 115,971.45 × 24,727.75
  4. Step 4: Simplify right side
    77,330.77x = 2,867,713,022.74
  5. Step 5: Solve for x
    x = 2,867,713,022.74/77,330.77
  6. Step 6: Final answer
    x = 37,083.73

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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.