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Finding the Fourth Proportional to 71,570.55, 100,067.55 and 71,570.55

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Solution

The fourth proportional to 71,570.55, 100,067.55 and 71,570.55 is: 100,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,570.55 : 100,067.55 = 71,570.55 : x
  2. Step 2: Convert to fraction form
    71,570.55/100,067.55 = 71,570.55/x
  3. Step 3: Cross multiply
    71,570.55x = 100,067.55 × 71,570.55
  4. Step 4: Simplify right side
    71,570.55x = 7,161,889,590.65
  5. Step 5: Solve for x
    x = 7,161,889,590.65/71,570.55
  6. Step 6: Final answer
    x = 100,067.55

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.