Home / 91,537.45-137,326.86-49,416.61

Finding the Fourth Proportional to 91,537.45, 137,326.86 and 49,416.61

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Solution

The fourth proportional to 91,537.45, 137,326.86 and 49,416.61 is: 74,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537.45 : 137,326.86 = 49,416.61 : x
  2. Step 2: Convert to fraction form
    91,537.45/137,326.86 = 49,416.61/x
  3. Step 3: Cross multiply
    91,537.45x = 137,326.86 × 49,416.61
  4. Step 4: Simplify right side
    91,537.45x = 6,786,227,883.14
  5. Step 5: Solve for x
    x = 6,786,227,883.14/91,537.45
  6. Step 6: Final answer
    x = 74,136.08

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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.