Home / 90,560.23-135,643.41-43,714.69

Finding the Fourth Proportional to 90,560.23, 135,643.41 and 43,714.69

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Solution

The fourth proportional to 90,560.23, 135,643.41 and 43,714.69 is: 65,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.23 : 135,643.41 = 43,714.69 : x
  2. Step 2: Convert to fraction form
    90,560.23/135,643.41 = 43,714.69/x
  3. Step 3: Cross multiply
    90,560.23x = 135,643.41 × 43,714.69
  4. Step 4: Simplify right side
    90,560.23x = 5,929,609,279.58
  5. Step 5: Solve for x
    x = 5,929,609,279.58/90,560.23
  6. Step 6: Final answer
    x = 65,476.97

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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.