Home / 86,287.86-119,076.21-48,047.49

Finding the Fourth Proportional to 86,287.86, 119,076.21 and 48,047.49

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Solution

The fourth proportional to 86,287.86, 119,076.21 and 48,047.49 is: 66,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.86 : 119,076.21 = 48,047.49 : x
  2. Step 2: Convert to fraction form
    86,287.86/119,076.21 = 48,047.49/x
  3. Step 3: Cross multiply
    86,287.86x = 119,076.21 × 48,047.49
  4. Step 4: Simplify right side
    86,287.86x = 5,721,313,009.21
  5. Step 5: Solve for x
    x = 5,721,313,009.21/86,287.86
  6. Step 6: Final answer
    x = 66,304.96

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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.