Home / 56,712.84-85,062.77-15,163.08

Finding the Fourth Proportional to 56,712.84, 85,062.77 and 15,163.08

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Solution

The fourth proportional to 56,712.84, 85,062.77 and 15,163.08 is: 22,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.84 : 85,062.77 = 15,163.08 : x
  2. Step 2: Convert to fraction form
    56,712.84/85,062.77 = 15,163.08/x
  3. Step 3: Cross multiply
    56,712.84x = 85,062.77 × 15,163.08
  4. Step 4: Simplify right side
    56,712.84x = 1,289,813,161.22
  5. Step 5: Solve for x
    x = 1,289,813,161.22/56,712.84
  6. Step 6: Final answer
    x = 22,742.88

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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.