Home / 77,831.57-116,704.21-27,217.04

Finding the Fourth Proportional to 77,831.57, 116,704.21 and 27,217.04

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Solution

The fourth proportional to 77,831.57, 116,704.21 and 27,217.04 is: 40,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.57 : 116,704.21 = 27,217.04 : x
  2. Step 2: Convert to fraction form
    77,831.57/116,704.21 = 27,217.04/x
  3. Step 3: Cross multiply
    77,831.57x = 116,704.21 × 27,217.04
  4. Step 4: Simplify right side
    77,831.57x = 3,176,343,761.48
  5. Step 5: Solve for x
    x = 3,176,343,761.48/77,831.57
  6. Step 6: Final answer
    x = 40,810.48

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1.5x scale

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.