Home / 77,732.16-116,601.89-25,145.75

Finding the Fourth Proportional to 77,732.16, 116,601.89 and 25,145.75

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Solution

The fourth proportional to 77,732.16, 116,601.89 and 25,145.75 is: 37,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.16 : 116,601.89 = 25,145.75 : x
  2. Step 2: Convert to fraction form
    77,732.16/116,601.89 = 25,145.75/x
  3. Step 3: Cross multiply
    77,732.16x = 116,601.89 × 25,145.75
  4. Step 4: Simplify right side
    77,732.16x = 2,932,041,266.73
  5. Step 5: Solve for x
    x = 2,932,041,266.73/77,732.16
  6. Step 6: Final answer
    x = 37,719.80

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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.