Home / 86,211.15-118,948.14-50,409.96

Finding the Fourth Proportional to 86,211.15, 118,948.14 and 50,409.96

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Solution

The fourth proportional to 86,211.15, 118,948.14 and 50,409.96 is: 69,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.15 : 118,948.14 = 50,409.96 : x
  2. Step 2: Convert to fraction form
    86,211.15/118,948.14 = 50,409.96/x
  3. Step 3: Cross multiply
    86,211.15x = 118,948.14 × 50,409.96
  4. Step 4: Simplify right side
    86,211.15x = 5,996,170,979.47
  5. Step 5: Solve for x
    x = 5,996,170,979.47/86,211.15
  6. Step 6: Final answer
    x = 69,552.15

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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.