Home / 75,113.12-103,663.32-41,579.12

Finding the Fourth Proportional to 75,113.12, 103,663.32 and 41,579.12

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Solution

The fourth proportional to 75,113.12, 103,663.32 and 41,579.12 is: 57,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.12 : 103,663.32 = 41,579.12 : x
  2. Step 2: Convert to fraction form
    75,113.12/103,663.32 = 41,579.12/x
  3. Step 3: Cross multiply
    75,113.12x = 103,663.32 × 41,579.12
  4. Step 4: Simplify right side
    75,113.12x = 4,310,229,621.88
  5. Step 5: Solve for x
    x = 4,310,229,621.88/75,113.12
  6. Step 6: Final answer
    x = 57,383.18

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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.