Home / 75,412.04-104,057.01-43,574.78

Finding the Fourth Proportional to 75,412.04, 104,057.01 and 43,574.78

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Solution

The fourth proportional to 75,412.04, 104,057.01 and 43,574.78 is: 60,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.04 : 104,057.01 = 43,574.78 : x
  2. Step 2: Convert to fraction form
    75,412.04/104,057.01 = 43,574.78/x
  3. Step 3: Cross multiply
    75,412.04x = 104,057.01 × 43,574.78
  4. Step 4: Simplify right side
    75,412.04x = 4,534,261,578.35
  5. Step 5: Solve for x
    x = 4,534,261,578.35/75,412.04
  6. Step 6: Final answer
    x = 60,126.50

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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.