Home / 47,174.28-70,750.08-13,885.31

Finding the Fourth Proportional to 47,174.28, 70,750.08 and 13,885.31

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Solution

The fourth proportional to 47,174.28, 70,750.08 and 13,885.31 is: 20,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.28 : 70,750.08 = 13,885.31 : x
  2. Step 2: Convert to fraction form
    47,174.28/70,750.08 = 13,885.31/x
  3. Step 3: Cross multiply
    47,174.28x = 70,750.08 × 13,885.31
  4. Step 4: Simplify right side
    47,174.28x = 982,386,439.57
  5. Step 5: Solve for x
    x = 982,386,439.57/47,174.28
  6. Step 6: Final answer
    x = 20,824.62

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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.