Home / 64,639.44-96,960.06-22,520.16

Finding the Fourth Proportional to 64,639.44, 96,960.06 and 22,520.16

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Solution

The fourth proportional to 64,639.44, 96,960.06 and 22,520.16 is: 33,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.44 : 96,960.06 = 22,520.16 : x
  2. Step 2: Convert to fraction form
    64,639.44/96,960.06 = 22,520.16/x
  3. Step 3: Cross multiply
    64,639.44x = 96,960.06 × 22,520.16
  4. Step 4: Simplify right side
    64,639.44x = 2,183,556,064.81
  5. Step 5: Solve for x
    x = 2,183,556,064.81/64,639.44
  6. Step 6: Final answer
    x = 33,780.55

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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.