Home / 91,049.38-136,588.14-31,063.81

Finding the Fourth Proportional to 91,049.38, 136,588.14 and 31,063.81

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Solution

The fourth proportional to 91,049.38, 136,588.14 and 31,063.81 is: 46,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.38 : 136,588.14 = 31,063.81 : x
  2. Step 2: Convert to fraction form
    91,049.38/136,588.14 = 31,063.81/x
  3. Step 3: Cross multiply
    91,049.38x = 136,588.14 × 31,063.81
  4. Step 4: Simplify right side
    91,049.38x = 4,242,948,029.21
  5. Step 5: Solve for x
    x = 4,242,948,029.21/91,049.38
  6. Step 6: Final answer
    x = 46,600.52

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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.