Home / 91,636.41-137,221.27-60,376.89

Finding the Fourth Proportional to 91,636.41, 137,221.27 and 60,376.89

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Solution

The fourth proportional to 91,636.41, 137,221.27 and 60,376.89 is: 90,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,636.41 : 137,221.27 = 60,376.89 : x
  2. Step 2: Convert to fraction form
    91,636.41/137,221.27 = 60,376.89/x
  3. Step 3: Cross multiply
    91,636.41x = 137,221.27 × 60,376.89
  4. Step 4: Simplify right side
    91,636.41x = 8,284,993,524.45
  5. Step 5: Solve for x
    x = 8,284,993,524.45/91,636.41
  6. Step 6: Final answer
    x = 90,411.59

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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.