Home / 73,998.19-102,806.30-73,112.45

Finding the Fourth Proportional to 73,998.19, 102,806.30 and 73,112.45

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Solution

The fourth proportional to 73,998.19, 102,806.30 and 73,112.45 is: 101,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,998.19 : 102,806.30 = 73,112.45 : x
  2. Step 2: Convert to fraction form
    73,998.19/102,806.30 = 73,112.45/x
  3. Step 3: Cross multiply
    73,998.19x = 102,806.30 × 73,112.45
  4. Step 4: Simplify right side
    73,998.19x = 7,516,420,468.44
  5. Step 5: Solve for x
    x = 7,516,420,468.44/73,998.19
  6. Step 6: Final answer
    x = 101,575.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.