Home / 86,895.66-119,917.86-49,169.91

Finding the Fourth Proportional to 86,895.66, 119,917.86 and 49,169.91

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Solution

The fourth proportional to 86,895.66, 119,917.86 and 49,169.91 is: 67,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.66 : 119,917.86 = 49,169.91 : x
  2. Step 2: Convert to fraction form
    86,895.66/119,917.86 = 49,169.91/x
  3. Step 3: Cross multiply
    86,895.66x = 119,917.86 × 49,169.91
  4. Step 4: Simplify right side
    86,895.66x = 5,896,350,383.59
  5. Step 5: Solve for x
    x = 5,896,350,383.59/86,895.66
  6. Step 6: Final answer
    x = 67,855.52

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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.