Home / 77,817.86-116,831.73-49,792.62

Finding the Fourth Proportional to 77,817.86, 116,831.73 and 49,792.62

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Solution

The fourth proportional to 77,817.86, 116,831.73 and 49,792.62 is: 74,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,817.86 : 116,831.73 = 49,792.62 : x
  2. Step 2: Convert to fraction form
    77,817.86/116,831.73 = 49,792.62/x
  3. Step 3: Cross multiply
    77,817.86x = 116,831.73 × 49,792.62
  4. Step 4: Simplify right side
    77,817.86x = 5,817,357,684.44
  5. Step 5: Solve for x
    x = 5,817,357,684.44/77,817.86
  6. Step 6: Final answer
    x = 74,756.07

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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.