Home / 75,074.29-103,602.53-41,082.79

Finding the Fourth Proportional to 75,074.29, 103,602.53 and 41,082.79

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Solution

The fourth proportional to 75,074.29, 103,602.53 and 41,082.79 is: 56,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.29 : 103,602.53 = 41,082.79 : x
  2. Step 2: Convert to fraction form
    75,074.29/103,602.53 = 41,082.79/x
  3. Step 3: Cross multiply
    75,074.29x = 103,602.53 × 41,082.79
  4. Step 4: Simplify right side
    75,074.29x = 4,256,280,568.15
  5. Step 5: Solve for x
    x = 4,256,280,568.15/75,074.29
  6. Step 6: Final answer
    x = 56,694.25

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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.