Home / 43,121.11-64,604.71-23,387.08

Finding the Fourth Proportional to 43,121.11, 64,604.71 and 23,387.08

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Solution

The fourth proportional to 43,121.11, 64,604.71 and 23,387.08 is: 35,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.11 : 64,604.71 = 23,387.08 : x
  2. Step 2: Convert to fraction form
    43,121.11/64,604.71 = 23,387.08/x
  3. Step 3: Cross multiply
    43,121.11x = 64,604.71 × 23,387.08
  4. Step 4: Simplify right side
    43,121.11x = 1,510,915,301.17
  5. Step 5: Solve for x
    x = 1,510,915,301.17/43,121.11
  6. Step 6: Final answer
    x = 35,038.88

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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.