Home / 63,780.65-87,987.84-41,126.91

Finding the Fourth Proportional to 63,780.65, 87,987.84 and 41,126.91

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Solution

The fourth proportional to 63,780.65, 87,987.84 and 41,126.91 is: 56,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.65 : 87,987.84 = 41,126.91 : x
  2. Step 2: Convert to fraction form
    63,780.65/87,987.84 = 41,126.91/x
  3. Step 3: Cross multiply
    63,780.65x = 87,987.84 × 41,126.91
  4. Step 4: Simplify right side
    63,780.65x = 3,618,667,976.77
  5. Step 5: Solve for x
    x = 3,618,667,976.77/63,780.65
  6. Step 6: Final answer
    x = 56,736.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.