Home / 82,485.28-123,726.39-26,324.94

Finding the Fourth Proportional to 82,485.28, 123,726.39 and 26,324.94

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Solution

The fourth proportional to 82,485.28, 123,726.39 and 26,324.94 is: 39,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.28 : 123,726.39 = 26,324.94 : x
  2. Step 2: Convert to fraction form
    82,485.28/123,726.39 = 26,324.94/x
  3. Step 3: Cross multiply
    82,485.28x = 123,726.39 × 26,324.94
  4. Step 4: Simplify right side
    82,485.28x = 3,257,089,793.17
  5. Step 5: Solve for x
    x = 3,257,089,793.17/82,485.28
  6. Step 6: Final answer
    x = 39,486.92

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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.