Home / 86,149.62-118,869.06-50,332.72

Finding the Fourth Proportional to 86,149.62, 118,869.06 and 50,332.72

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Solution

The fourth proportional to 86,149.62, 118,869.06 and 50,332.72 is: 69,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.62 : 118,869.06 = 50,332.72 : x
  2. Step 2: Convert to fraction form
    86,149.62/118,869.06 = 50,332.72/x
  3. Step 3: Cross multiply
    86,149.62x = 118,869.06 × 50,332.72
  4. Step 4: Simplify right side
    86,149.62x = 5,983,002,267.63
  5. Step 5: Solve for x
    x = 5,983,002,267.63/86,149.62
  6. Step 6: Final answer
    x = 69,448.97

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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.