Home / 75,487.86-104,173.25-43,658.81

Finding the Fourth Proportional to 75,487.86, 104,173.25 and 43,658.81

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Solution

The fourth proportional to 75,487.86, 104,173.25 and 43,658.81 is: 60,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,487.86 : 104,173.25 = 43,658.81 : x
  2. Step 2: Convert to fraction form
    75,487.86/104,173.25 = 43,658.81/x
  3. Step 3: Cross multiply
    75,487.86x = 104,173.25 × 43,658.81
  4. Step 4: Simplify right side
    75,487.86x = 4,548,080,128.83
  5. Step 5: Solve for x
    x = 4,548,080,128.83/75,487.86
  6. Step 6: Final answer
    x = 60,249.16

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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.