Home / 63,786.86-95,685.18-19,417.40

Finding the Fourth Proportional to 63,786.86, 95,685.18 and 19,417.40

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Solution

The fourth proportional to 63,786.86, 95,685.18 and 19,417.40 is: 29,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,786.86 : 95,685.18 = 19,417.40 : x
  2. Step 2: Convert to fraction form
    63,786.86/95,685.18 = 19,417.40/x
  3. Step 3: Cross multiply
    63,786.86x = 95,685.18 × 19,417.40
  4. Step 4: Simplify right side
    63,786.86x = 1,857,957,414.13
  5. Step 5: Solve for x
    x = 1,857,957,414.13/63,786.86
  6. Step 6: Final answer
    x = 29,127.59

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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.