Home / 97,861.18-146,791.77-38,724.70

Finding the Fourth Proportional to 97,861.18, 146,791.77 and 38,724.70

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Solution

The fourth proportional to 97,861.18, 146,791.77 and 38,724.70 is: 58,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,861.18 : 146,791.77 = 38,724.70 : x
  2. Step 2: Convert to fraction form
    97,861.18/146,791.77 = 38,724.70/x
  3. Step 3: Cross multiply
    97,861.18x = 146,791.77 × 38,724.70
  4. Step 4: Simplify right side
    97,861.18x = 5,684,467,255.72
  5. Step 5: Solve for x
    x = 5,684,467,255.72/97,861.18
  6. Step 6: Final answer
    x = 58,087.05

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1.5x scale

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.