Home / 86,180.18-118,933.17-48,456.86

Finding the Fourth Proportional to 86,180.18, 118,933.17 and 48,456.86

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Solution

The fourth proportional to 86,180.18, 118,933.17 and 48,456.86 is: 66,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.18 : 118,933.17 = 48,456.86 : x
  2. Step 2: Convert to fraction form
    86,180.18/118,933.17 = 48,456.86/x
  3. Step 3: Cross multiply
    86,180.18x = 118,933.17 × 48,456.86
  4. Step 4: Simplify right side
    86,180.18x = 5,763,127,968.05
  5. Step 5: Solve for x
    x = 5,763,127,968.05/86,180.18
  6. Step 6: Final answer
    x = 66,873.01

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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.