Home / 47,740.17-71,653.99-47,561.56

Finding the Fourth Proportional to 47,740.17, 71,653.99 and 47,561.56

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Solution

The fourth proportional to 47,740.17, 71,653.99 and 47,561.56 is: 71,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,740.17 : 71,653.99 = 47,561.56 : x
  2. Step 2: Convert to fraction form
    47,740.17/71,653.99 = 47,561.56/x
  3. Step 3: Cross multiply
    47,740.17x = 71,653.99 × 47,561.56
  4. Step 4: Simplify right side
    47,740.17x = 3,407,975,544.62
  5. Step 5: Solve for x
    x = 3,407,975,544.62/47,740.17
  6. Step 6: Final answer
    x = 71,385.91

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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.