Home / 55,610.76-83,429.10-18,172.56

Finding the Fourth Proportional to 55,610.76, 83,429.10 and 18,172.56

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Solution

The fourth proportional to 55,610.76, 83,429.10 and 18,172.56 is: 27,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.76 : 83,429.10 = 18,172.56 : x
  2. Step 2: Convert to fraction form
    55,610.76/83,429.10 = 18,172.56/x
  3. Step 3: Cross multiply
    55,610.76x = 83,429.10 × 18,172.56
  4. Step 4: Simplify right side
    55,610.76x = 1,516,120,325.50
  5. Step 5: Solve for x
    x = 1,516,120,325.50/55,610.76
  6. Step 6: Final answer
    x = 27,263.08

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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.