Home / 75,399.04-104,055.36-41,865.28

Finding the Fourth Proportional to 75,399.04, 104,055.36 and 41,865.28

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Solution

The fourth proportional to 75,399.04, 104,055.36 and 41,865.28 is: 57,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.04 : 104,055.36 = 41,865.28 : x
  2. Step 2: Convert to fraction form
    75,399.04/104,055.36 = 41,865.28/x
  3. Step 3: Cross multiply
    75,399.04x = 104,055.36 × 41,865.28
  4. Step 4: Simplify right side
    75,399.04x = 4,356,306,781.90
  5. Step 5: Solve for x
    x = 4,356,306,781.90/75,399.04
  6. Step 6: Final answer
    x = 57,776.69

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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.