Home / 88,899.81-133,321.92-29,721.66

Finding the Fourth Proportional to 88,899.81, 133,321.92 and 29,721.66

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Solution

The fourth proportional to 88,899.81, 133,321.92 and 29,721.66 is: 44,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.81 : 133,321.92 = 29,721.66 : x
  2. Step 2: Convert to fraction form
    88,899.81/133,321.92 = 29,721.66/x
  3. Step 3: Cross multiply
    88,899.81x = 133,321.92 × 29,721.66
  4. Step 4: Simplify right side
    88,899.81x = 3,962,548,776.79
  5. Step 5: Solve for x
    x = 3,962,548,776.79/88,899.81
  6. Step 6: Final answer
    x = 44,573.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.