Home / 63,128.92-87,118.32-34,450.60

Finding the Fourth Proportional to 63,128.92, 87,118.32 and 34,450.60

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Solution

The fourth proportional to 63,128.92, 87,118.32 and 34,450.60 is: 47,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.92 : 87,118.32 = 34,450.60 : x
  2. Step 2: Convert to fraction form
    63,128.92/87,118.32 = 34,450.60/x
  3. Step 3: Cross multiply
    63,128.92x = 87,118.32 × 34,450.60
  4. Step 4: Simplify right side
    63,128.92x = 3,001,278,394.99
  5. Step 5: Solve for x
    x = 3,001,278,394.99/63,128.92
  6. Step 6: Final answer
    x = 47,542.05

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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.