Home / 91,649.82-137,431.26-35,516.10

Finding the Fourth Proportional to 91,649.82, 137,431.26 and 35,516.10

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Solution

The fourth proportional to 91,649.82, 137,431.26 and 35,516.10 is: 53,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,649.82 : 137,431.26 = 35,516.10 : x
  2. Step 2: Convert to fraction form
    91,649.82/137,431.26 = 35,516.10/x
  3. Step 3: Cross multiply
    91,649.82x = 137,431.26 × 35,516.10
  4. Step 4: Simplify right side
    91,649.82x = 4,881,022,373.29
  5. Step 5: Solve for x
    x = 4,881,022,373.29/91,649.82
  6. Step 6: Final answer
    x = 53,257.30

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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.