Home / 47,416.22-71,128-14,133.74

Finding the Fourth Proportional to 47,416.22, 71,128 and 14,133.74

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Solution

The fourth proportional to 47,416.22, 71,128 and 14,133.74 is: 21,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416.22 : 71,128 = 14,133.74 : x
  2. Step 2: Convert to fraction form
    47,416.22/71,128 = 14,133.74/x
  3. Step 3: Cross multiply
    47,416.22x = 71,128 × 14,133.74
  4. Step 4: Simplify right side
    47,416.22x = 1,005,304,658.72
  5. Step 5: Solve for x
    x = 1,005,304,658.72/47,416.22
  6. Step 6: Final answer
    x = 21,201.70

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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.