Home / 51,291.73-76,964.25-38,808.08

Finding the Fourth Proportional to 51,291.73, 76,964.25 and 38,808.08

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Solution

The fourth proportional to 51,291.73, 76,964.25 and 38,808.08 is: 58,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.73 : 76,964.25 = 38,808.08 : x
  2. Step 2: Convert to fraction form
    51,291.73/76,964.25 = 38,808.08/x
  3. Step 3: Cross multiply
    51,291.73x = 76,964.25 × 38,808.08
  4. Step 4: Simplify right side
    51,291.73x = 2,986,834,386.32
  5. Step 5: Solve for x
    x = 2,986,834,386.32/51,291.73
  6. Step 6: Final answer
    x = 58,232.29

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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.