Home / 47,740.74-71,525.68-31,897.80

Finding the Fourth Proportional to 47,740.74, 71,525.68 and 31,897.80

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Solution

The fourth proportional to 47,740.74, 71,525.68 and 31,897.80 is: 47,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,740.74 : 71,525.68 = 31,897.80 : x
  2. Step 2: Convert to fraction form
    47,740.74/71,525.68 = 31,897.80/x
  3. Step 3: Cross multiply
    47,740.74x = 71,525.68 × 31,897.80
  4. Step 4: Simplify right side
    47,740.74x = 2,281,511,935.18
  5. Step 5: Solve for x
    x = 2,281,511,935.18/47,740.74
  6. Step 6: Final answer
    x = 47,789.62

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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.