Home / 47,338.11-71,089.83-43,634.79

Finding the Fourth Proportional to 47,338.11, 71,089.83 and 43,634.79

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Solution

The fourth proportional to 47,338.11, 71,089.83 and 43,634.79 is: 65,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338.11 : 71,089.83 = 43,634.79 : x
  2. Step 2: Convert to fraction form
    47,338.11/71,089.83 = 43,634.79/x
  3. Step 3: Cross multiply
    47,338.11x = 71,089.83 × 43,634.79
  4. Step 4: Simplify right side
    47,338.11x = 3,101,989,803.19
  5. Step 5: Solve for x
    x = 3,101,989,803.19/47,338.11
  6. Step 6: Final answer
    x = 65,528.38

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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.