Home / 75,431.80-104,084.32-43,594.56

Finding the Fourth Proportional to 75,431.80, 104,084.32 and 43,594.56

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Solution

The fourth proportional to 75,431.80, 104,084.32 and 43,594.56 is: 60,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,431.80 : 104,084.32 = 43,594.56 : x
  2. Step 2: Convert to fraction form
    75,431.80/104,084.32 = 43,594.56/x
  3. Step 3: Cross multiply
    75,431.80x = 104,084.32 × 43,594.56
  4. Step 4: Simplify right side
    75,431.80x = 4,537,510,133.30
  5. Step 5: Solve for x
    x = 4,537,510,133.30/75,431.80
  6. Step 6: Final answer
    x = 60,153.81

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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.