Home / 47,011.24-70,517.72-11,472.65

Finding the Fourth Proportional to 47,011.24, 70,517.72 and 11,472.65

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Solution

The fourth proportional to 47,011.24, 70,517.72 and 11,472.65 is: 17,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.24 : 70,517.72 = 11,472.65 : x
  2. Step 2: Convert to fraction form
    47,011.24/70,517.72 = 11,472.65/x
  3. Step 3: Cross multiply
    47,011.24x = 70,517.72 × 11,472.65
  4. Step 4: Simplify right side
    47,011.24x = 809,025,457.55
  5. Step 5: Solve for x
    x = 809,025,457.55/47,011.24
  6. Step 6: Final answer
    x = 17,209.19

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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.