Home / 82,960.18-124,440.26-20,630.68

Finding the Fourth Proportional to 82,960.18, 124,440.26 and 20,630.68

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Solution

The fourth proportional to 82,960.18, 124,440.26 and 20,630.68 is: 30,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960.18 : 124,440.26 = 20,630.68 : x
  2. Step 2: Convert to fraction form
    82,960.18/124,440.26 = 20,630.68/x
  3. Step 3: Cross multiply
    82,960.18x = 124,440.26 × 20,630.68
  4. Step 4: Simplify right side
    82,960.18x = 2,567,286,768.92
  5. Step 5: Solve for x
    x = 2,567,286,768.92/82,960.18
  6. Step 6: Final answer
    x = 30,946.01

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Similar ratio
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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.