Home / 57,688.80-86,586.64-35,545.44

Finding the Fourth Proportional to 57,688.80, 86,586.64 and 35,545.44

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Solution

The fourth proportional to 57,688.80, 86,586.64 and 35,545.44 is: 53,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.80 : 86,586.64 = 35,545.44 : x
  2. Step 2: Convert to fraction form
    57,688.80/86,586.64 = 35,545.44/x
  3. Step 3: Cross multiply
    57,688.80x = 86,586.64 × 35,545.44
  4. Step 4: Simplify right side
    57,688.80x = 3,077,760,216.92
  5. Step 5: Solve for x
    x = 3,077,760,216.92/57,688.80
  6. Step 6: Final answer
    x = 53,351.09

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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.