Home / 47,857.77-71,789.69-14,580.14

Finding the Fourth Proportional to 47,857.77, 71,789.69 and 14,580.14

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Solution

The fourth proportional to 47,857.77, 71,789.69 and 14,580.14 is: 21,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.77 : 71,789.69 = 14,580.14 : x
  2. Step 2: Convert to fraction form
    47,857.77/71,789.69 = 14,580.14/x
  3. Step 3: Cross multiply
    47,857.77x = 71,789.69 × 14,580.14
  4. Step 4: Simplify right side
    47,857.77x = 1,046,703,408.26
  5. Step 5: Solve for x
    x = 1,046,703,408.26/47,857.77
  6. Step 6: Final answer
    x = 21,871.13

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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.