Home / 75,960.05-104,823.11-41,966.78

Finding the Fourth Proportional to 75,960.05, 104,823.11 and 41,966.78

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Solution

The fourth proportional to 75,960.05, 104,823.11 and 41,966.78 is: 57,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.05 : 104,823.11 = 41,966.78 : x
  2. Step 2: Convert to fraction form
    75,960.05/104,823.11 = 41,966.78/x
  3. Step 3: Cross multiply
    75,960.05x = 104,823.11 × 41,966.78
  4. Step 4: Simplify right side
    75,960.05x = 4,399,087,977.09
  5. Step 5: Solve for x
    x = 4,399,087,977.09/75,960.05
  6. Step 6: Final answer
    x = 57,913.18

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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.