Home / 82,162.23-123,259.95-34,777.23

Finding the Fourth Proportional to 82,162.23, 123,259.95 and 34,777.23

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Solution

The fourth proportional to 82,162.23, 123,259.95 and 34,777.23 is: 52,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,162.23 : 123,259.95 = 34,777.23 : x
  2. Step 2: Convert to fraction form
    82,162.23/123,259.95 = 34,777.23/x
  3. Step 3: Cross multiply
    82,162.23x = 123,259.95 × 34,777.23
  4. Step 4: Simplify right side
    82,162.23x = 4,286,639,630.94
  5. Step 5: Solve for x
    x = 4,286,639,630.94/82,162.23
  6. Step 6: Final answer
    x = 52,172.87

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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.