Home / 75,439.29-104,107.95-41,449.90

Finding the Fourth Proportional to 75,439.29, 104,107.95 and 41,449.90

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Solution

The fourth proportional to 75,439.29, 104,107.95 and 41,449.90 is: 57,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.29 : 104,107.95 = 41,449.90 : x
  2. Step 2: Convert to fraction form
    75,439.29/104,107.95 = 41,449.90/x
  3. Step 3: Cross multiply
    75,439.29x = 104,107.95 × 41,449.90
  4. Step 4: Simplify right side
    75,439.29x = 4,315,264,116.71
  5. Step 5: Solve for x
    x = 4,315,264,116.71/75,439.29
  6. Step 6: Final answer
    x = 57,201.81

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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.