Home / 47,842.50-71,258.37-45,344.46

Finding the Fourth Proportional to 47,842.50, 71,258.37 and 45,344.46

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Solution

The fourth proportional to 47,842.50, 71,258.37 and 45,344.46 is: 67,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842.50 : 71,258.37 = 45,344.46 : x
  2. Step 2: Convert to fraction form
    47,842.50/71,258.37 = 45,344.46/x
  3. Step 3: Cross multiply
    47,842.50x = 71,258.37 × 45,344.46
  4. Step 4: Simplify right side
    47,842.50x = 3,231,172,308.13
  5. Step 5: Solve for x
    x = 3,231,172,308.13/47,842.50
  6. Step 6: Final answer
    x = 67,537.70

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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.