Home / 70,627.20-97,441.77-39,996.09

Finding the Fourth Proportional to 70,627.20, 97,441.77 and 39,996.09

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Solution

The fourth proportional to 70,627.20, 97,441.77 and 39,996.09 is: 55,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,627.20 : 97,441.77 = 39,996.09 : x
  2. Step 2: Convert to fraction form
    70,627.20/97,441.77 = 39,996.09/x
  3. Step 3: Cross multiply
    70,627.20x = 97,441.77 × 39,996.09
  4. Step 4: Simplify right side
    70,627.20x = 3,897,289,802.68
  5. Step 5: Solve for x
    x = 3,897,289,802.68/70,627.20
  6. Step 6: Final answer
    x = 55,181.15

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1.5x scale

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.