Home / 65,831.24-98,752.86-21,446.60

Finding the Fourth Proportional to 65,831.24, 98,752.86 and 21,446.60

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Solution

The fourth proportional to 65,831.24, 98,752.86 and 21,446.60 is: 32,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,831.24 : 98,752.86 = 21,446.60 : x
  2. Step 2: Convert to fraction form
    65,831.24/98,752.86 = 21,446.60/x
  3. Step 3: Cross multiply
    65,831.24x = 98,752.86 × 21,446.60
  4. Step 4: Simplify right side
    65,831.24x = 2,117,913,087.28
  5. Step 5: Solve for x
    x = 2,117,913,087.28/65,831.24
  6. Step 6: Final answer
    x = 32,171.85

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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.