Home / 86,957.01-119,997.25-49,231.26

Finding the Fourth Proportional to 86,957.01, 119,997.25 and 49,231.26

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Solution

The fourth proportional to 86,957.01, 119,997.25 and 49,231.26 is: 67,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957.01 : 119,997.25 = 49,231.26 : x
  2. Step 2: Convert to fraction form
    86,957.01/119,997.25 = 49,231.26/x
  3. Step 3: Cross multiply
    86,957.01x = 119,997.25 × 49,231.26
  4. Step 4: Simplify right side
    86,957.01x = 5,907,615,690.96
  5. Step 5: Solve for x
    x = 5,907,615,690.96/86,957.01
  6. Step 6: Final answer
    x = 67,937.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.