Home / 86,176.32-118,955.52-50,377.80

Finding the Fourth Proportional to 86,176.32, 118,955.52 and 50,377.80

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Solution

The fourth proportional to 86,176.32, 118,955.52 and 50,377.80 is: 69,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,176.32 : 118,955.52 = 50,377.80 : x
  2. Step 2: Convert to fraction form
    86,176.32/118,955.52 = 50,377.80/x
  3. Step 3: Cross multiply
    86,176.32x = 118,955.52 × 50,377.80
  4. Step 4: Simplify right side
    86,176.32x = 5,992,717,395.46
  5. Step 5: Solve for x
    x = 5,992,717,395.46/86,176.32
  6. Step 6: Final answer
    x = 69,540.19

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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.