Home / 63,072.86-87,040.46-34,778.62

Finding the Fourth Proportional to 63,072.86, 87,040.46 and 34,778.62

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Solution

The fourth proportional to 63,072.86, 87,040.46 and 34,778.62 is: 47,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.86 : 87,040.46 = 34,778.62 : x
  2. Step 2: Convert to fraction form
    63,072.86/87,040.46 = 34,778.62/x
  3. Step 3: Cross multiply
    63,072.86x = 87,040.46 × 34,778.62
  4. Step 4: Simplify right side
    63,072.86x = 3,027,146,473.87
  5. Step 5: Solve for x
    x = 3,027,146,473.87/63,072.86
  6. Step 6: Final answer
    x = 47,994.44

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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.