Home / 101,824.92-140,516.28-55,885.68

Finding the Fourth Proportional to 101,824.92, 140,516.28 and 55,885.68

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Solution

The fourth proportional to 101,824.92, 140,516.28 and 55,885.68 is: 77,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824.92 : 140,516.28 = 55,885.68 : x
  2. Step 2: Convert to fraction form
    101,824.92/140,516.28 = 55,885.68/x
  3. Step 3: Cross multiply
    101,824.92x = 140,516.28 × 55,885.68
  4. Step 4: Simplify right side
    101,824.92x = 7,852,847,858.87
  5. Step 5: Solve for x
    x = 7,852,847,858.87/101,824.92
  6. Step 6: Final answer
    x = 77,121.08

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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.