Home / 77,831.60-116,763.81-25,236.98

Finding the Fourth Proportional to 77,831.60, 116,763.81 and 25,236.98

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Solution

The fourth proportional to 77,831.60, 116,763.81 and 25,236.98 is: 37,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.60 : 116,763.81 = 25,236.98 : x
  2. Step 2: Convert to fraction form
    77,831.60/116,763.81 = 25,236.98/x
  3. Step 3: Cross multiply
    77,831.60x = 116,763.81 × 25,236.98
  4. Step 4: Simplify right side
    77,831.60x = 2,946,766,495.85
  5. Step 5: Solve for x
    x = 2,946,766,495.85/77,831.60
  6. Step 6: Final answer
    x = 37,860.80

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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.