Home / 91,778.51-137,668.23-41,824.70

Finding the Fourth Proportional to 91,778.51, 137,668.23 and 41,824.70

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Solution

The fourth proportional to 91,778.51, 137,668.23 and 41,824.70 is: 62,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778.51 : 137,668.23 = 41,824.70 : x
  2. Step 2: Convert to fraction form
    91,778.51/137,668.23 = 41,824.70/x
  3. Step 3: Cross multiply
    91,778.51x = 137,668.23 × 41,824.70
  4. Step 4: Simplify right side
    91,778.51x = 5,757,931,730.94
  5. Step 5: Solve for x
    x = 5,757,931,730.94/91,778.51
  6. Step 6: Final answer
    x = 62,737.26

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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.