Home / 55,845.13-83,766.54-18,407.45

Finding the Fourth Proportional to 55,845.13, 83,766.54 and 18,407.45

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Solution

The fourth proportional to 55,845.13, 83,766.54 and 18,407.45 is: 27,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.13 : 83,766.54 = 18,407.45 : x
  2. Step 2: Convert to fraction form
    55,845.13/83,766.54 = 18,407.45/x
  3. Step 3: Cross multiply
    55,845.13x = 83,766.54 × 18,407.45
  4. Step 4: Simplify right side
    55,845.13x = 1,541,928,384.24
  5. Step 5: Solve for x
    x = 1,541,928,384.24/55,845.13
  6. Step 6: Final answer
    x = 27,610.79

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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.