Home / 64,680.20-97,020.72-22,560.12

Finding the Fourth Proportional to 64,680.20, 97,020.72 and 22,560.12

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Solution

The fourth proportional to 64,680.20, 97,020.72 and 22,560.12 is: 33,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.20 : 97,020.72 = 22,560.12 : x
  2. Step 2: Convert to fraction form
    64,680.20/97,020.72 = 22,560.12/x
  3. Step 3: Cross multiply
    64,680.20x = 97,020.72 × 22,560.12
  4. Step 4: Simplify right side
    64,680.20x = 2,188,799,085.69
  5. Step 5: Solve for x
    x = 2,188,799,085.69/64,680.20
  6. Step 6: Final answer
    x = 33,840.33

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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.