Home / 71,776.36-107,714.22-41,840.20

Finding the Fourth Proportional to 71,776.36, 107,714.22 and 41,840.20

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Solution

The fourth proportional to 71,776.36, 107,714.22 and 41,840.20 is: 62,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,776.36 : 107,714.22 = 41,840.20 : x
  2. Step 2: Convert to fraction form
    71,776.36/107,714.22 = 41,840.20/x
  3. Step 3: Cross multiply
    71,776.36x = 107,714.22 × 41,840.20
  4. Step 4: Simplify right side
    71,776.36x = 4,506,784,507.64
  5. Step 5: Solve for x
    x = 4,506,784,507.64/71,776.36
  6. Step 6: Final answer
    x = 62,789.26

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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.