Home / 75,048.48-103,577.04-43,216.56

Finding the Fourth Proportional to 75,048.48, 103,577.04 and 43,216.56

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Solution

The fourth proportional to 75,048.48, 103,577.04 and 43,216.56 is: 59,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.48 : 103,577.04 = 43,216.56 : x
  2. Step 2: Convert to fraction form
    75,048.48/103,577.04 = 43,216.56/x
  3. Step 3: Cross multiply
    75,048.48x = 103,577.04 × 43,216.56
  4. Step 4: Simplify right side
    75,048.48x = 4,476,243,363.78
  5. Step 5: Solve for x
    x = 4,476,243,363.78/75,048.48
  6. Step 6: Final answer
    x = 59,644.69

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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.