Home / 86,197.30-118,966.43-50,380.32

Finding the Fourth Proportional to 86,197.30, 118,966.43 and 50,380.32

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Solution

The fourth proportional to 86,197.30, 118,966.43 and 50,380.32 is: 69,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,197.30 : 118,966.43 = 50,380.32 : x
  2. Step 2: Convert to fraction form
    86,197.30/118,966.43 = 50,380.32/x
  3. Step 3: Cross multiply
    86,197.30x = 118,966.43 × 50,380.32
  4. Step 4: Simplify right side
    86,197.30x = 5,993,566,812.66
  5. Step 5: Solve for x
    x = 5,993,566,812.66/86,197.30
  6. Step 6: Final answer
    x = 69,533.12

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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.