Home / 91,805.04-137,415.84-49,625.04

Finding the Fourth Proportional to 91,805.04, 137,415.84 and 49,625.04

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Solution

The fourth proportional to 91,805.04, 137,415.84 and 49,625.04 is: 74,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,805.04 : 137,415.84 = 49,625.04 : x
  2. Step 2: Convert to fraction form
    91,805.04/137,415.84 = 49,625.04/x
  3. Step 3: Cross multiply
    91,805.04x = 137,415.84 × 49,625.04
  4. Step 4: Simplify right side
    91,805.04x = 6,819,266,556.63
  5. Step 5: Solve for x
    x = 6,819,266,556.63/91,805.04
  6. Step 6: Final answer
    x = 74,279.87

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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.