Home / 90,803.40-136,175.79-33,092.43

Finding the Fourth Proportional to 90,803.40, 136,175.79 and 33,092.43

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Solution

The fourth proportional to 90,803.40, 136,175.79 and 33,092.43 is: 49,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.40 : 136,175.79 = 33,092.43 : x
  2. Step 2: Convert to fraction form
    90,803.40/136,175.79 = 33,092.43/x
  3. Step 3: Cross multiply
    90,803.40x = 136,175.79 × 33,092.43
  4. Step 4: Simplify right side
    90,803.40x = 4,506,387,798.27
  5. Step 5: Solve for x
    x = 4,506,387,798.27/90,803.40
  6. Step 6: Final answer
    x = 49,627.96

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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.