Home / 47,984.85-71,484.80-45,825.88

Finding the Fourth Proportional to 47,984.85, 71,484.80 and 45,825.88

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Solution

The fourth proportional to 47,984.85, 71,484.80 and 45,825.88 is: 68,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.85 : 71,484.80 = 45,825.88 : x
  2. Step 2: Convert to fraction form
    47,984.85/71,484.80 = 45,825.88/x
  3. Step 3: Cross multiply
    47,984.85x = 71,484.80 × 45,825.88
  4. Step 4: Simplify right side
    47,984.85x = 3,275,853,866.62
  5. Step 5: Solve for x
    x = 3,275,853,866.62/47,984.85
  6. Step 6: Final answer
    x = 68,268.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.