Home / 86,470.89-119,331.63-48,745.14

Finding the Fourth Proportional to 86,470.89, 119,331.63 and 48,745.14

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Solution

The fourth proportional to 86,470.89, 119,331.63 and 48,745.14 is: 67,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470.89 : 119,331.63 = 48,745.14 : x
  2. Step 2: Convert to fraction form
    86,470.89/119,331.63 = 48,745.14/x
  3. Step 3: Cross multiply
    86,470.89x = 119,331.63 × 48,745.14
  4. Step 4: Simplify right side
    86,470.89x = 5,816,837,010.78
  5. Step 5: Solve for x
    x = 5,816,837,010.78/86,470.89
  6. Step 6: Final answer
    x = 67,269.31

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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.