Home / 91,853.02-126,764.49-51,569.43

Finding the Fourth Proportional to 91,853.02, 126,764.49 and 51,569.43

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Solution

The fourth proportional to 91,853.02, 126,764.49 and 51,569.43 is: 71,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.02 : 126,764.49 = 51,569.43 : x
  2. Step 2: Convert to fraction form
    91,853.02/126,764.49 = 51,569.43/x
  3. Step 3: Cross multiply
    91,853.02x = 126,764.49 × 51,569.43
  4. Step 4: Simplify right side
    91,853.02x = 6,537,172,493.54
  5. Step 5: Solve for x
    x = 6,537,172,493.54/91,853.02
  6. Step 6: Final answer
    x = 71,169.92

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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.