Home / 87,913.46-131,886.63-28,752.35

Finding the Fourth Proportional to 87,913.46, 131,886.63 and 28,752.35

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Solution

The fourth proportional to 87,913.46, 131,886.63 and 28,752.35 is: 43,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,913.46 : 131,886.63 = 28,752.35 : x
  2. Step 2: Convert to fraction form
    87,913.46/131,886.63 = 28,752.35/x
  3. Step 3: Cross multiply
    87,913.46x = 131,886.63 × 28,752.35
  4. Step 4: Simplify right side
    87,913.46x = 3,792,049,886.65
  5. Step 5: Solve for x
    x = 3,792,049,886.65/87,913.46
  6. Step 6: Final answer
    x = 43,133.89

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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.