Home / 61,162.17-91,726.64-16,778.42

Finding the Fourth Proportional to 61,162.17, 91,726.64 and 16,778.42

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Solution

The fourth proportional to 61,162.17, 91,726.64 and 16,778.42 is: 25,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.17 : 91,726.64 = 16,778.42 : x
  2. Step 2: Convert to fraction form
    61,162.17/91,726.64 = 16,778.42/x
  3. Step 3: Cross multiply
    61,162.17x = 91,726.64 × 16,778.42
  4. Step 4: Simplify right side
    61,162.17x = 1,539,028,018.40
  5. Step 5: Solve for x
    x = 1,539,028,018.40/61,162.17
  6. Step 6: Final answer
    x = 25,163.07

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1.5x scale

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.