Home / 56,646.39-78,163.25-32,775.29

Finding the Fourth Proportional to 56,646.39, 78,163.25 and 32,775.29

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Solution

The fourth proportional to 56,646.39, 78,163.25 and 32,775.29 is: 45,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.39 : 78,163.25 = 32,775.29 : x
  2. Step 2: Convert to fraction form
    56,646.39/78,163.25 = 32,775.29/x
  3. Step 3: Cross multiply
    56,646.39x = 78,163.25 × 32,775.29
  4. Step 4: Simplify right side
    56,646.39x = 2,561,822,795.28
  5. Step 5: Solve for x
    x = 2,561,822,795.28/56,646.39
  6. Step 6: Final answer
    x = 45,224.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.