Home / 61,288.92-91,926.50-16,921.98

Finding the Fourth Proportional to 61,288.92, 91,926.50 and 16,921.98

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Solution

The fourth proportional to 61,288.92, 91,926.50 and 16,921.98 is: 25,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.92 : 91,926.50 = 16,921.98 : x
  2. Step 2: Convert to fraction form
    61,288.92/91,926.50 = 16,921.98/x
  3. Step 3: Cross multiply
    61,288.92x = 91,926.50 × 16,921.98
  4. Step 4: Simplify right side
    61,288.92x = 1,555,578,309.86
  5. Step 5: Solve for x
    x = 1,555,578,309.86/61,288.92
  6. Step 6: Final answer
    x = 25,381.07

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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.