Home / 65,831.16-90,846.76-35,616.56

Finding the Fourth Proportional to 65,831.16, 90,846.76 and 35,616.56

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Solution

The fourth proportional to 65,831.16, 90,846.76 and 35,616.56 is: 49,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,831.16 : 90,846.76 = 35,616.56 : x
  2. Step 2: Convert to fraction form
    65,831.16/90,846.76 = 35,616.56/x
  3. Step 3: Cross multiply
    65,831.16x = 90,846.76 × 35,616.56
  4. Step 4: Simplify right side
    65,831.16x = 3,235,649,078.35
  5. Step 5: Solve for x
    x = 3,235,649,078.35/65,831.16
  6. Step 6: Final answer
    x = 49,150.72

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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.