Home / 47,668.64-71,475.14-14,378.72

Finding the Fourth Proportional to 47,668.64, 71,475.14 and 14,378.72

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Solution

The fourth proportional to 47,668.64, 71,475.14 and 14,378.72 is: 21,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.64 : 71,475.14 = 14,378.72 : x
  2. Step 2: Convert to fraction form
    47,668.64/71,475.14 = 14,378.72/x
  3. Step 3: Cross multiply
    47,668.64x = 71,475.14 × 14,378.72
  4. Step 4: Simplify right side
    47,668.64x = 1,027,720,703.59
  5. Step 5: Solve for x
    x = 1,027,720,703.59/47,668.64
  6. Step 6: Final answer
    x = 21,559.68

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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.