Home / 43,102.11-64,631.25-19,708.50

Finding the Fourth Proportional to 43,102.11, 64,631.25 and 19,708.50

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Solution

The fourth proportional to 43,102.11, 64,631.25 and 19,708.50 is: 29,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.11 : 64,631.25 = 19,708.50 : x
  2. Step 2: Convert to fraction form
    43,102.11/64,631.25 = 19,708.50/x
  3. Step 3: Cross multiply
    43,102.11x = 64,631.25 × 19,708.50
  4. Step 4: Simplify right side
    43,102.11x = 1,273,784,990.63
  5. Step 5: Solve for x
    x = 1,273,784,990.63/43,102.11
  6. Step 6: Final answer
    x = 29,552.73

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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.