Home / 47,119.10-70,675.20-13,841.77

Finding the Fourth Proportional to 47,119.10, 70,675.20 and 13,841.77

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Solution

The fourth proportional to 47,119.10, 70,675.20 and 13,841.77 is: 20,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.10 : 70,675.20 = 13,841.77 : x
  2. Step 2: Convert to fraction form
    47,119.10/70,675.20 = 13,841.77/x
  3. Step 3: Cross multiply
    47,119.10x = 70,675.20 × 13,841.77
  4. Step 4: Simplify right side
    47,119.10x = 978,270,146.29
  5. Step 5: Solve for x
    x = 978,270,146.29/47,119.10
  6. Step 6: Final answer
    x = 20,761.65

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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.