Home / 47,854.20-71,770.32-14,111.52

Finding the Fourth Proportional to 47,854.20, 71,770.32 and 14,111.52

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Solution

The fourth proportional to 47,854.20, 71,770.32 and 14,111.52 is: 21,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.20 : 71,770.32 = 14,111.52 : x
  2. Step 2: Convert to fraction form
    47,854.20/71,770.32 = 14,111.52/x
  3. Step 3: Cross multiply
    47,854.20x = 71,770.32 × 14,111.52
  4. Step 4: Simplify right side
    47,854.20x = 1,012,788,306.09
  5. Step 5: Solve for x
    x = 1,012,788,306.09/47,854.20
  6. Step 6: Final answer
    x = 21,164.04

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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.