Home / 82,145.55-113,385.09-48,161.41

Finding the Fourth Proportional to 82,145.55, 113,385.09 and 48,161.41

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Solution

The fourth proportional to 82,145.55, 113,385.09 and 48,161.41 is: 66,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,145.55 : 113,385.09 = 48,161.41 : x
  2. Step 2: Convert to fraction form
    82,145.55/113,385.09 = 48,161.41/x
  3. Step 3: Cross multiply
    82,145.55x = 113,385.09 × 48,161.41
  4. Step 4: Simplify right side
    82,145.55x = 5,460,785,807.38
  5. Step 5: Solve for x
    x = 5,460,785,807.38/82,145.55
  6. Step 6: Final answer
    x = 66,476.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.