Home / 87,823.95-131,756.88-28,659.73

Finding the Fourth Proportional to 87,823.95, 131,756.88 and 28,659.73

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Solution

The fourth proportional to 87,823.95, 131,756.88 and 28,659.73 is: 42,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.95 : 131,756.88 = 28,659.73 : x
  2. Step 2: Convert to fraction form
    87,823.95/131,756.88 = 28,659.73/x
  3. Step 3: Cross multiply
    87,823.95x = 131,756.88 × 28,659.73
  4. Step 4: Simplify right side
    87,823.95x = 3,776,115,804.36
  5. Step 5: Solve for x
    x = 3,776,115,804.36/87,823.95
  6. Step 6: Final answer
    x = 42,996.43

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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.