Home / 108,321.05-162,412.32-52,049.18

Finding the Fourth Proportional to 108,321.05, 162,412.32 and 52,049.18

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Solution

The fourth proportional to 108,321.05, 162,412.32 and 52,049.18 is: 78,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,321.05 : 162,412.32 = 52,049.18 : x
  2. Step 2: Convert to fraction form
    108,321.05/162,412.32 = 52,049.18/x
  3. Step 3: Cross multiply
    108,321.05x = 162,412.32 × 52,049.18
  4. Step 4: Simplify right side
    108,321.05x = 8,453,427,265.84
  5. Step 5: Solve for x
    x = 8,453,427,265.84/108,321.05
  6. Step 6: Final answer
    x = 78,040.49

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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.