Home / 86,246.18-118,976.18-50,412.78

Finding the Fourth Proportional to 86,246.18, 118,976.18 and 50,412.78

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Solution

The fourth proportional to 86,246.18, 118,976.18 and 50,412.78 is: 69,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.18 : 118,976.18 = 50,412.78 : x
  2. Step 2: Convert to fraction form
    86,246.18/118,976.18 = 50,412.78/x
  3. Step 3: Cross multiply
    86,246.18x = 118,976.18 × 50,412.78
  4. Step 4: Simplify right side
    86,246.18x = 5,997,919,987.58
  5. Step 5: Solve for x
    x = 5,997,919,987.58/86,246.18
  6. Step 6: Final answer
    x = 69,544.18

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1.5x scale

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.