Home / 91,790.46-137,735.86-35,632.80

Finding the Fourth Proportional to 91,790.46, 137,735.86 and 35,632.80

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Solution

The fourth proportional to 91,790.46, 137,735.86 and 35,632.80 is: 53,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790.46 : 137,735.86 = 35,632.80 : x
  2. Step 2: Convert to fraction form
    91,790.46/137,735.86 = 35,632.80/x
  3. Step 3: Cross multiply
    91,790.46x = 137,735.86 × 35,632.80
  4. Step 4: Simplify right side
    91,790.46x = 4,907,914,352.21
  5. Step 5: Solve for x
    x = 4,907,914,352.21/91,790.46
  6. Step 6: Final answer
    x = 53,468.68

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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.