Home / 97,991.40-146,987.10-27,861.60

Finding the Fourth Proportional to 97,991.40, 146,987.10 and 27,861.60

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Solution

The fourth proportional to 97,991.40, 146,987.10 and 27,861.60 is: 41,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,991.40 : 146,987.10 = 27,861.60 : x
  2. Step 2: Convert to fraction form
    97,991.40/146,987.10 = 27,861.60/x
  3. Step 3: Cross multiply
    97,991.40x = 146,987.10 × 27,861.60
  4. Step 4: Simplify right side
    97,991.40x = 4,095,295,785.36
  5. Step 5: Solve for x
    x = 4,095,295,785.36/97,991.40
  6. Step 6: Final answer
    x = 41,792.40

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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.