Home / 73,070.14-100,906.44-69,089.76

Finding the Fourth Proportional to 73,070.14, 100,906.44 and 69,089.76

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Solution

The fourth proportional to 73,070.14, 100,906.44 and 69,089.76 is: 95,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,070.14 : 100,906.44 = 69,089.76 : x
  2. Step 2: Convert to fraction form
    73,070.14/100,906.44 = 69,089.76/x
  3. Step 3: Cross multiply
    73,070.14x = 100,906.44 × 69,089.76
  4. Step 4: Simplify right side
    73,070.14x = 6,971,601,722.05
  5. Step 5: Solve for x
    x = 6,971,601,722.05/73,070.14
  6. Step 6: Final answer
    x = 95,409.72

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1.5x scale

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.