Home / 57,961.73-86,950.76-18,510.05

Finding the Fourth Proportional to 57,961.73, 86,950.76 and 18,510.05

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Solution

The fourth proportional to 57,961.73, 86,950.76 and 18,510.05 is: 27,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,961.73 : 86,950.76 = 18,510.05 : x
  2. Step 2: Convert to fraction form
    57,961.73/86,950.76 = 18,510.05/x
  3. Step 3: Cross multiply
    57,961.73x = 86,950.76 × 18,510.05
  4. Step 4: Simplify right side
    57,961.73x = 1,609,462,387.83
  5. Step 5: Solve for x
    x = 1,609,462,387.83/57,961.73
  6. Step 6: Final answer
    x = 27,767.68

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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.