Home / 45,699.45-68,529.57-15,716.71

Finding the Fourth Proportional to 45,699.45, 68,529.57 and 15,716.71

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Solution

The fourth proportional to 45,699.45, 68,529.57 and 15,716.71 is: 23,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.45 : 68,529.57 = 15,716.71 : x
  2. Step 2: Convert to fraction form
    45,699.45/68,529.57 = 15,716.71/x
  3. Step 3: Cross multiply
    45,699.45x = 68,529.57 × 15,716.71
  4. Step 4: Simplify right side
    45,699.45x = 1,077,059,107.77
  5. Step 5: Solve for x
    x = 1,077,059,107.77/45,699.45
  6. Step 6: Final answer
    x = 23,568.32

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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.