Home / 55,896.72-83,844.33-13,777.30

Finding the Fourth Proportional to 55,896.72, 83,844.33 and 13,777.30

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Solution

The fourth proportional to 55,896.72, 83,844.33 and 13,777.30 is: 20,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.72 : 83,844.33 = 13,777.30 : x
  2. Step 2: Convert to fraction form
    55,896.72/83,844.33 = 13,777.30/x
  3. Step 3: Cross multiply
    55,896.72x = 83,844.33 × 13,777.30
  4. Step 4: Simplify right side
    55,896.72x = 1,155,148,487.71
  5. Step 5: Solve for x
    x = 1,155,148,487.71/55,896.72
  6. Step 6: Final answer
    x = 20,665.77

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1.5x scale

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.