Home / 75,361.32-104,012.97-49,868.19

Finding the Fourth Proportional to 75,361.32, 104,012.97 and 49,868.19

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Solution

The fourth proportional to 75,361.32, 104,012.97 and 49,868.19 is: 68,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.32 : 104,012.97 = 49,868.19 : x
  2. Step 2: Convert to fraction form
    75,361.32/104,012.97 = 49,868.19/x
  3. Step 3: Cross multiply
    75,361.32x = 104,012.97 × 49,868.19
  4. Step 4: Simplify right side
    75,361.32x = 5,186,938,550.42
  5. Step 5: Solve for x
    x = 5,186,938,550.42/75,361.32
  6. Step 6: Final answer
    x = 68,827.60

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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.