Home / 91,906.08-137,858.59-35,785.23

Finding the Fourth Proportional to 91,906.08, 137,858.59 and 35,785.23

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Solution

The fourth proportional to 91,906.08, 137,858.59 and 35,785.23 is: 53,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906.08 : 137,858.59 = 35,785.23 : x
  2. Step 2: Convert to fraction form
    91,906.08/137,858.59 = 35,785.23/x
  3. Step 3: Cross multiply
    91,906.08x = 137,858.59 × 35,785.23
  4. Step 4: Simplify right side
    91,906.08x = 4,933,301,350.63
  5. Step 5: Solve for x
    x = 4,933,301,350.63/91,906.08
  6. Step 6: Final answer
    x = 53,677.64

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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.