Home / 75,385.24-104,036.96-49,847.24

Finding the Fourth Proportional to 75,385.24, 104,036.96 and 49,847.24

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Solution

The fourth proportional to 75,385.24, 104,036.96 and 49,847.24 is: 68,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385.24 : 104,036.96 = 49,847.24 : x
  2. Step 2: Convert to fraction form
    75,385.24/104,036.96 = 49,847.24/x
  3. Step 3: Cross multiply
    75,385.24x = 104,036.96 × 49,847.24
  4. Step 4: Simplify right side
    75,385.24x = 5,185,954,686.80
  5. Step 5: Solve for x
    x = 5,185,954,686.80/75,385.24
  6. Step 6: Final answer
    x = 68,792.70

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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.