Home / 103,727.22-143,175.29-60,716.77

Finding the Fourth Proportional to 103,727.22, 143,175.29 and 60,716.77

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Solution

The fourth proportional to 103,727.22, 143,175.29 and 60,716.77 is: 83,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,727.22 : 143,175.29 = 60,716.77 : x
  2. Step 2: Convert to fraction form
    103,727.22/143,175.29 = 60,716.77/x
  3. Step 3: Cross multiply
    103,727.22x = 143,175.29 × 60,716.77
  4. Step 4: Simplify right side
    103,727.22x = 8,693,141,152.61
  5. Step 5: Solve for x
    x = 8,693,141,152.61/103,727.22
  6. Step 6: Final answer
    x = 83,807.71

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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.