Home / 90,786.34-136,061.18-46,375.66

Finding the Fourth Proportional to 90,786.34, 136,061.18 and 46,375.66

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Solution

The fourth proportional to 90,786.34, 136,061.18 and 46,375.66 is: 69,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,786.34 : 136,061.18 = 46,375.66 : x
  2. Step 2: Convert to fraction form
    90,786.34/136,061.18 = 46,375.66/x
  3. Step 3: Cross multiply
    90,786.34x = 136,061.18 × 46,375.66
  4. Step 4: Simplify right side
    90,786.34x = 6,309,927,022.88
  5. Step 5: Solve for x
    x = 6,309,927,022.88/90,786.34
  6. Step 6: Final answer
    x = 69,503.04

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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.