Home / 71,400.42-107,075.93-29,268.54

Finding the Fourth Proportional to 71,400.42, 107,075.93 and 29,268.54

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Solution

The fourth proportional to 71,400.42, 107,075.93 and 29,268.54 is: 43,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,400.42 : 107,075.93 = 29,268.54 : x
  2. Step 2: Convert to fraction form
    71,400.42/107,075.93 = 29,268.54/x
  3. Step 3: Cross multiply
    71,400.42x = 107,075.93 × 29,268.54
  4. Step 4: Simplify right side
    71,400.42x = 3,133,955,993.90
  5. Step 5: Solve for x
    x = 3,133,955,993.90/71,400.42
  6. Step 6: Final answer
    x = 43,892.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.