Home / 92,651.12-139,162.66-55,284.12

Finding the Fourth Proportional to 92,651.12, 139,162.66 and 55,284.12

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Solution

The fourth proportional to 92,651.12, 139,162.66 and 55,284.12 is: 83,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,651.12 : 139,162.66 = 55,284.12 : x
  2. Step 2: Convert to fraction form
    92,651.12/139,162.66 = 55,284.12/x
  3. Step 3: Cross multiply
    92,651.12x = 139,162.66 × 55,284.12
  4. Step 4: Simplify right side
    92,651.12x = 7,693,485,194.96
  5. Step 5: Solve for x
    x = 7,693,485,194.96/92,651.12
  6. Step 6: Final answer
    x = 83,037.15

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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.