Home / 86,727.86-119,640.61-58,048.73

Finding the Fourth Proportional to 86,727.86, 119,640.61 and 58,048.73

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Solution

The fourth proportional to 86,727.86, 119,640.61 and 58,048.73 is: 80,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.86 : 119,640.61 = 58,048.73 : x
  2. Step 2: Convert to fraction form
    86,727.86/119,640.61 = 58,048.73/x
  3. Step 3: Cross multiply
    86,727.86x = 119,640.61 × 58,048.73
  4. Step 4: Simplify right side
    86,727.86x = 6,944,984,723.60
  5. Step 5: Solve for x
    x = 6,944,984,723.60/86,727.86
  6. Step 6: Final answer
    x = 80,077.90

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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.