Home / 78,332.94-117,251.55-50,215.41

Finding the Fourth Proportional to 78,332.94, 117,251.55 and 50,215.41

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Solution

The fourth proportional to 78,332.94, 117,251.55 and 50,215.41 is: 75,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.94 : 117,251.55 = 50,215.41 : x
  2. Step 2: Convert to fraction form
    78,332.94/117,251.55 = 50,215.41/x
  3. Step 3: Cross multiply
    78,332.94x = 117,251.55 × 50,215.41
  4. Step 4: Simplify right side
    78,332.94x = 5,887,834,656.39
  5. Step 5: Solve for x
    x = 5,887,834,656.39/78,332.94
  6. Step 6: Final answer
    x = 75,164.22

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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.