Home / 86,831.13-119,819.82-48,588.70

Finding the Fourth Proportional to 86,831.13, 119,819.82 and 48,588.70

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Solution

The fourth proportional to 86,831.13, 119,819.82 and 48,588.70 is: 67,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831.13 : 119,819.82 = 48,588.70 : x
  2. Step 2: Convert to fraction form
    86,831.13/119,819.82 = 48,588.70/x
  3. Step 3: Cross multiply
    86,831.13x = 119,819.82 × 48,588.70
  4. Step 4: Simplify right side
    86,831.13x = 5,821,889,288.03
  5. Step 5: Solve for x
    x = 5,821,889,288.03/86,831.13
  6. Step 6: Final answer
    x = 67,048.41

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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.