Home / 66,697.27-99,903.22-53,992.17

Finding the Fourth Proportional to 66,697.27, 99,903.22 and 53,992.17

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Solution

The fourth proportional to 66,697.27, 99,903.22 and 53,992.17 is: 80,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.27 : 99,903.22 = 53,992.17 : x
  2. Step 2: Convert to fraction form
    66,697.27/99,903.22 = 53,992.17/x
  3. Step 3: Cross multiply
    66,697.27x = 99,903.22 × 53,992.17
  4. Step 4: Simplify right side
    66,697.27x = 5,393,991,806.51
  5. Step 5: Solve for x
    x = 5,393,991,806.51/66,697.27
  6. Step 6: Final answer
    x = 80,872.75

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1.5x scale

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.