Home / 82,263.09-123,399.51-26,102.16

Finding the Fourth Proportional to 82,263.09, 123,399.51 and 26,102.16

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Solution

The fourth proportional to 82,263.09, 123,399.51 and 26,102.16 is: 39,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.09 : 123,399.51 = 26,102.16 : x
  2. Step 2: Convert to fraction form
    82,263.09/123,399.51 = 26,102.16/x
  3. Step 3: Cross multiply
    82,263.09x = 123,399.51 × 26,102.16
  4. Step 4: Simplify right side
    82,263.09x = 3,220,993,753.94
  5. Step 5: Solve for x
    x = 3,220,993,753.94/82,263.09
  6. Step 6: Final answer
    x = 39,154.79

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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.