Home / 55,795.91-83,699.37-18,340.79

Finding the Fourth Proportional to 55,795.91, 83,699.37 and 18,340.79

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Solution

The fourth proportional to 55,795.91, 83,699.37 and 18,340.79 is: 27,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.91 : 83,699.37 = 18,340.79 : x
  2. Step 2: Convert to fraction form
    55,795.91/83,699.37 = 18,340.79/x
  3. Step 3: Cross multiply
    55,795.91x = 83,699.37 × 18,340.79
  4. Step 4: Simplify right side
    55,795.91x = 1,535,112,149.81
  5. Step 5: Solve for x
    x = 1,535,112,149.81/55,795.91
  6. Step 6: Final answer
    x = 27,512.99

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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.