Home / 42,775.41-64,163.15-11,610.66

Finding the Fourth Proportional to 42,775.41, 64,163.15 and 11,610.66

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Solution

The fourth proportional to 42,775.41, 64,163.15 and 11,610.66 is: 17,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775.41 : 64,163.15 = 11,610.66 : x
  2. Step 2: Convert to fraction form
    42,775.41/64,163.15 = 11,610.66/x
  3. Step 3: Cross multiply
    42,775.41x = 64,163.15 × 11,610.66
  4. Step 4: Simplify right side
    42,775.41x = 744,976,519.18
  5. Step 5: Solve for x
    x = 744,976,519.18/42,775.41
  6. Step 6: Final answer
    x = 17,416.00

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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.