Home / 55,146.28-82,719.44-13,593.28

Finding the Fourth Proportional to 55,146.28, 82,719.44 and 13,593.28

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Solution

The fourth proportional to 55,146.28, 82,719.44 and 13,593.28 is: 20,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146.28 : 82,719.44 = 13,593.28 : x
  2. Step 2: Convert to fraction form
    55,146.28/82,719.44 = 13,593.28/x
  3. Step 3: Cross multiply
    55,146.28x = 82,719.44 × 13,593.28
  4. Step 4: Simplify right side
    55,146.28x = 1,124,428,509.36
  5. Step 5: Solve for x
    x = 1,124,428,509.36/55,146.28
  6. Step 6: Final answer
    x = 20,389.92

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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.