Home / 82,026.28-122,901.18-54,240.04

Finding the Fourth Proportional to 82,026.28, 122,901.18 and 54,240.04

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Solution

The fourth proportional to 82,026.28, 122,901.18 and 54,240.04 is: 81,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,026.28 : 122,901.18 = 54,240.04 : x
  2. Step 2: Convert to fraction form
    82,026.28/122,901.18 = 54,240.04/x
  3. Step 3: Cross multiply
    82,026.28x = 122,901.18 × 54,240.04
  4. Step 4: Simplify right side
    82,026.28x = 6,666,164,919.25
  5. Step 5: Solve for x
    x = 6,666,164,919.25/82,026.28
  6. Step 6: Final answer
    x = 81,268.65

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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.