Home / 91,715.22-126,513.38-57,669.80

Finding the Fourth Proportional to 91,715.22, 126,513.38 and 57,669.80

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Solution

The fourth proportional to 91,715.22, 126,513.38 and 57,669.80 is: 79,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,715.22 : 126,513.38 = 57,669.80 : x
  2. Step 2: Convert to fraction form
    91,715.22/126,513.38 = 57,669.80/x
  3. Step 3: Cross multiply
    91,715.22x = 126,513.38 × 57,669.80
  4. Step 4: Simplify right side
    91,715.22x = 7,296,001,033.58
  5. Step 5: Solve for x
    x = 7,296,001,033.58/91,715.22
  6. Step 6: Final answer
    x = 79,550.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.