Home / 63,357.37-87,445.31-45,257.22

Finding the Fourth Proportional to 63,357.37, 87,445.31 and 45,257.22

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Solution

The fourth proportional to 63,357.37, 87,445.31 and 45,257.22 is: 62,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,357.37 : 87,445.31 = 45,257.22 : x
  2. Step 2: Convert to fraction form
    63,357.37/87,445.31 = 45,257.22/x
  3. Step 3: Cross multiply
    63,357.37x = 87,445.31 × 45,257.22
  4. Step 4: Simplify right side
    63,357.37x = 3,957,531,406.35
  5. Step 5: Solve for x
    x = 3,957,531,406.35/63,357.37
  6. Step 6: Final answer
    x = 62,463.63

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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.