Home / 109,962.64-164,831.28-43,375.80

Finding the Fourth Proportional to 109,962.64, 164,831.28 and 43,375.80

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Solution

The fourth proportional to 109,962.64, 164,831.28 and 43,375.80 is: 65,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.64 : 164,831.28 = 43,375.80 : x
  2. Step 2: Convert to fraction form
    109,962.64/164,831.28 = 43,375.80/x
  3. Step 3: Cross multiply
    109,962.64x = 164,831.28 × 43,375.80
  4. Step 4: Simplify right side
    109,962.64x = 7,149,688,635.02
  5. Step 5: Solve for x
    x = 7,149,688,635.02/109,962.64
  6. Step 6: Final answer
    x = 65,019.25

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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.