Home / 86,277.09-119,044.08-54,427.53

Finding the Fourth Proportional to 86,277.09, 119,044.08 and 54,427.53

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Solution

The fourth proportional to 86,277.09, 119,044.08 and 54,427.53 is: 75,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,277.09 : 119,044.08 = 54,427.53 : x
  2. Step 2: Convert to fraction form
    86,277.09/119,044.08 = 54,427.53/x
  3. Step 3: Cross multiply
    86,277.09x = 119,044.08 × 54,427.53
  4. Step 4: Simplify right side
    86,277.09x = 6,479,275,235.52
  5. Step 5: Solve for x
    x = 6,479,275,235.52/86,277.09
  6. Step 6: Final answer
    x = 75,098.44

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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.