Home / 58,665.88-87,997.92-14,292.72

Finding the Fourth Proportional to 58,665.88, 87,997.92 and 14,292.72

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Solution

The fourth proportional to 58,665.88, 87,997.92 and 14,292.72 is: 21,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.88 : 87,997.92 = 14,292.72 : x
  2. Step 2: Convert to fraction form
    58,665.88/87,997.92 = 14,292.72/x
  3. Step 3: Cross multiply
    58,665.88x = 87,997.92 × 14,292.72
  4. Step 4: Simplify right side
    58,665.88x = 1,257,729,631.14
  5. Step 5: Solve for x
    x = 1,257,729,631.14/58,665.88
  6. Step 6: Final answer
    x = 21,438.86

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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.