Home / 55,410.24-83,129.76-15,970.56

Finding the Fourth Proportional to 55,410.24, 83,129.76 and 15,970.56

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Solution

The fourth proportional to 55,410.24, 83,129.76 and 15,970.56 is: 23,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.24 : 83,129.76 = 15,970.56 : x
  2. Step 2: Convert to fraction form
    55,410.24/83,129.76 = 15,970.56/x
  3. Step 3: Cross multiply
    55,410.24x = 83,129.76 × 15,970.56
  4. Step 4: Simplify right side
    55,410.24x = 1,327,628,819.87
  5. Step 5: Solve for x
    x = 1,327,628,819.87/55,410.24
  6. Step 6: Final answer
    x = 23,959.99

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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.