Home / 47,470.18-71,205.27-19,403.44

Finding the Fourth Proportional to 47,470.18, 71,205.27 and 19,403.44

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Solution

The fourth proportional to 47,470.18, 71,205.27 and 19,403.44 is: 29,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,470.18 : 71,205.27 = 19,403.44 : x
  2. Step 2: Convert to fraction form
    47,470.18/71,205.27 = 19,403.44/x
  3. Step 3: Cross multiply
    47,470.18x = 71,205.27 × 19,403.44
  4. Step 4: Simplify right side
    47,470.18x = 1,381,627,184.13
  5. Step 5: Solve for x
    x = 1,381,627,184.13/47,470.18
  6. Step 6: Final answer
    x = 29,105.16

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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.