Home / 91,829.58-137,613.15-52,305.09

Finding the Fourth Proportional to 91,829.58, 137,613.15 and 52,305.09

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Solution

The fourth proportional to 91,829.58, 137,613.15 and 52,305.09 is: 78,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.58 : 137,613.15 = 52,305.09 : x
  2. Step 2: Convert to fraction form
    91,829.58/137,613.15 = 52,305.09/x
  3. Step 3: Cross multiply
    91,829.58x = 137,613.15 × 52,305.09
  4. Step 4: Simplify right side
    91,829.58x = 7,197,868,195.93
  5. Step 5: Solve for x
    x = 7,197,868,195.93/91,829.58
  6. Step 6: Final answer
    x = 78,382.89

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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.