Home / 91,708.26-137,601.96-49,617.98

Finding the Fourth Proportional to 91,708.26, 137,601.96 and 49,617.98

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Solution

The fourth proportional to 91,708.26, 137,601.96 and 49,617.98 is: 74,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,708.26 : 137,601.96 = 49,617.98 : x
  2. Step 2: Convert to fraction form
    91,708.26/137,601.96 = 49,617.98/x
  3. Step 3: Cross multiply
    91,708.26x = 137,601.96 × 49,617.98
  4. Step 4: Simplify right side
    91,708.26x = 6,827,531,299.24
  5. Step 5: Solve for x
    x = 6,827,531,299.24/91,708.26
  6. Step 6: Final answer
    x = 74,448.38

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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.