Home / 47,245.28-70,871.25-19,164.73

Finding the Fourth Proportional to 47,245.28, 70,871.25 and 19,164.73

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Solution

The fourth proportional to 47,245.28, 70,871.25 and 19,164.73 is: 28,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.28 : 70,871.25 = 19,164.73 : x
  2. Step 2: Convert to fraction form
    47,245.28/70,871.25 = 19,164.73/x
  3. Step 3: Cross multiply
    47,245.28x = 70,871.25 × 19,164.73
  4. Step 4: Simplify right side
    47,245.28x = 1,358,228,199.26
  5. Step 5: Solve for x
    x = 1,358,228,199.26/47,245.28
  6. Step 6: Final answer
    x = 28,748.45

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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.