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Finding the Fourth Proportional to 93,625, 129,202.48 and 51,183.52

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Solution

The fourth proportional to 93,625, 129,202.48 and 51,183.52 is: 70,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,625 : 129,202.48 = 51,183.52 : x
  2. Step 2: Convert to fraction form
    93,625/129,202.48 = 51,183.52/x
  3. Step 3: Cross multiply
    93,625x = 129,202.48 × 51,183.52
  4. Step 4: Simplify right side
    93,625x = 6,613,037,719.13
  5. Step 5: Solve for x
    x = 6,613,037,719.13/93,625
  6. Step 6: Final answer
    x = 70,633.25

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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.