Home / 87,799.48-131,703.45-28,635.04

Finding the Fourth Proportional to 87,799.48, 131,703.45 and 28,635.04

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Solution

The fourth proportional to 87,799.48, 131,703.45 and 28,635.04 is: 42,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799.48 : 131,703.45 = 28,635.04 : x
  2. Step 2: Convert to fraction form
    87,799.48/131,703.45 = 28,635.04/x
  3. Step 3: Cross multiply
    87,799.48x = 131,703.45 × 28,635.04
  4. Step 4: Simplify right side
    87,799.48x = 3,771,333,558.89
  5. Step 5: Solve for x
    x = 3,771,333,558.89/87,799.48
  6. Step 6: Final answer
    x = 42,953.94

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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.