Home / 47,113.34-70,669-13,832.66

Finding the Fourth Proportional to 47,113.34, 70,669 and 13,832.66

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Solution

The fourth proportional to 47,113.34, 70,669 and 13,832.66 is: 20,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.34 : 70,669 = 13,832.66 : x
  2. Step 2: Convert to fraction form
    47,113.34/70,669 = 13,832.66/x
  3. Step 3: Cross multiply
    47,113.34x = 70,669 × 13,832.66
  4. Step 4: Simplify right side
    47,113.34x = 977,540,249.54
  5. Step 5: Solve for x
    x = 977,540,249.54/47,113.34
  6. Step 6: Final answer
    x = 20,748.69

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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.