Home / 86,517.86-119,394.63-48,792.11

Finding the Fourth Proportional to 86,517.86, 119,394.63 and 48,792.11

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Solution

The fourth proportional to 86,517.86, 119,394.63 and 48,792.11 is: 67,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,517.86 : 119,394.63 = 48,792.11 : x
  2. Step 2: Convert to fraction form
    86,517.86/119,394.63 = 48,792.11/x
  3. Step 3: Cross multiply
    86,517.86x = 119,394.63 × 48,792.11
  4. Step 4: Simplify right side
    86,517.86x = 5,825,515,323.40
  5. Step 5: Solve for x
    x = 5,825,515,323.40/86,517.86
  6. Step 6: Final answer
    x = 67,333.10

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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.