Home / 109,655.92-164,224.78-53,534.46

Finding the Fourth Proportional to 109,655.92, 164,224.78 and 53,534.46

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Solution

The fourth proportional to 109,655.92, 164,224.78 and 53,534.46 is: 80,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.92 : 164,224.78 = 53,534.46 : x
  2. Step 2: Convert to fraction form
    109,655.92/164,224.78 = 53,534.46/x
  3. Step 3: Cross multiply
    109,655.92x = 164,224.78 × 53,534.46
  4. Step 4: Simplify right side
    109,655.92x = 8,791,684,915.92
  5. Step 5: Solve for x
    x = 8,791,684,915.92/109,655.92
  6. Step 6: Final answer
    x = 80,175.20

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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.