Home / 47,322.12-70,967.82-15,723.69

Finding the Fourth Proportional to 47,322.12, 70,967.82 and 15,723.69

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Solution

The fourth proportional to 47,322.12, 70,967.82 and 15,723.69 is: 23,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.12 : 70,967.82 = 15,723.69 : x
  2. Step 2: Convert to fraction form
    47,322.12/70,967.82 = 15,723.69/x
  3. Step 3: Cross multiply
    47,322.12x = 70,967.82 × 15,723.69
  4. Step 4: Simplify right side
    47,322.12x = 1,115,876,129.94
  5. Step 5: Solve for x
    x = 1,115,876,129.94/47,322.12
  6. Step 6: Final answer
    x = 23,580.44

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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.