Home / 77,831.28-116,763.32-25,236.66

Finding the Fourth Proportional to 77,831.28, 116,763.32 and 25,236.66

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Solution

The fourth proportional to 77,831.28, 116,763.32 and 25,236.66 is: 37,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.28 : 116,763.32 = 25,236.66 : x
  2. Step 2: Convert to fraction form
    77,831.28/116,763.32 = 25,236.66/x
  3. Step 3: Cross multiply
    77,831.28x = 116,763.32 × 25,236.66
  4. Step 4: Simplify right side
    77,831.28x = 2,946,716,081.13
  5. Step 5: Solve for x
    x = 2,946,716,081.13/77,831.28
  6. Step 6: Final answer
    x = 37,860.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.