Home / 77,860.38-116,731.70-32,895.66

Finding the Fourth Proportional to 77,860.38, 116,731.70 and 32,895.66

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Solution

The fourth proportional to 77,860.38, 116,731.70 and 32,895.66 is: 49,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860.38 : 116,731.70 = 32,895.66 : x
  2. Step 2: Convert to fraction form
    77,860.38/116,731.70 = 32,895.66/x
  3. Step 3: Cross multiply
    77,860.38x = 116,731.70 × 32,895.66
  4. Step 4: Simplify right side
    77,860.38x = 3,839,966,314.42
  5. Step 5: Solve for x
    x = 3,839,966,314.42/77,860.38
  6. Step 6: Final answer
    x = 49,318.62

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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.