Home / 97,074.57-133,940.75-54,617.61

Finding the Fourth Proportional to 97,074.57, 133,940.75 and 54,617.61

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Solution

The fourth proportional to 97,074.57, 133,940.75 and 54,617.61 is: 75,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,074.57 : 133,940.75 = 54,617.61 : x
  2. Step 2: Convert to fraction form
    97,074.57/133,940.75 = 54,617.61/x
  3. Step 3: Cross multiply
    97,074.57x = 133,940.75 × 54,617.61
  4. Step 4: Simplify right side
    97,074.57x = 7,315,523,373.52
  5. Step 5: Solve for x
    x = 7,315,523,373.52/97,074.57
  6. Step 6: Final answer
    x = 75,359.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.