Home / 84,158.08-116,099.01-50,147.48

Finding the Fourth Proportional to 84,158.08, 116,099.01 and 50,147.48

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Solution

The fourth proportional to 84,158.08, 116,099.01 and 50,147.48 is: 69,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.08 : 116,099.01 = 50,147.48 : x
  2. Step 2: Convert to fraction form
    84,158.08/116,099.01 = 50,147.48/x
  3. Step 3: Cross multiply
    84,158.08x = 116,099.01 × 50,147.48
  4. Step 4: Simplify right side
    84,158.08x = 5,822,073,072.24
  5. Step 5: Solve for x
    x = 5,822,073,072.24/84,158.08
  6. Step 6: Final answer
    x = 69,180.21

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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.