Home / 108,455.76-162,933.39-76,944.06

Finding the Fourth Proportional to 108,455.76, 162,933.39 and 76,944.06

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Solution

The fourth proportional to 108,455.76, 162,933.39 and 76,944.06 is: 115,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,455.76 : 162,933.39 = 76,944.06 : x
  2. Step 2: Convert to fraction form
    108,455.76/162,933.39 = 76,944.06/x
  3. Step 3: Cross multiply
    108,455.76x = 162,933.39 × 76,944.06
  4. Step 4: Simplify right side
    108,455.76x = 12,536,756,536.16
  5. Step 5: Solve for x
    x = 12,536,756,536.16/108,455.76
  6. Step 6: Final answer
    x = 115,593.28

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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.