Home / 65,831.51-90,847.23-35,616.73

Finding the Fourth Proportional to 65,831.51, 90,847.23 and 35,616.73

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Solution

The fourth proportional to 65,831.51, 90,847.23 and 35,616.73 is: 49,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,831.51 : 90,847.23 = 35,616.73 : x
  2. Step 2: Convert to fraction form
    65,831.51/90,847.23 = 35,616.73/x
  3. Step 3: Cross multiply
    65,831.51x = 90,847.23 × 35,616.73
  4. Step 4: Simplify right side
    65,831.51x = 3,235,681,262.16
  5. Step 5: Solve for x
    x = 3,235,681,262.16/65,831.51
  6. Step 6: Final answer
    x = 49,150.95

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1.5x scale

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.