Home / 91,600.47-137,435.31-35,443.96

Finding the Fourth Proportional to 91,600.47, 137,435.31 and 35,443.96

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Solution

The fourth proportional to 91,600.47, 137,435.31 and 35,443.96 is: 53,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.47 : 137,435.31 = 35,443.96 : x
  2. Step 2: Convert to fraction form
    91,600.47/137,435.31 = 35,443.96/x
  3. Step 3: Cross multiply
    91,600.47x = 137,435.31 × 35,443.96
  4. Step 4: Simplify right side
    91,600.47x = 4,871,251,286.64
  5. Step 5: Solve for x
    x = 4,871,251,286.64/91,600.47
  6. Step 6: Final answer
    x = 53,179.33

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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.