Home / 86,261.78-119,044.74-48,022.89

Finding the Fourth Proportional to 86,261.78, 119,044.74 and 48,022.89

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Solution

The fourth proportional to 86,261.78, 119,044.74 and 48,022.89 is: 66,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.78 : 119,044.74 = 48,022.89 : x
  2. Step 2: Convert to fraction form
    86,261.78/119,044.74 = 48,022.89/x
  3. Step 3: Cross multiply
    86,261.78x = 119,044.74 × 48,022.89
  4. Step 4: Simplify right side
    86,261.78x = 5,716,872,454.10
  5. Step 5: Solve for x
    x = 5,716,872,454.10/86,261.78
  6. Step 6: Final answer
    x = 66,273.53

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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.