Home / 75,003.77-103,327.25-52,301.50

Finding the Fourth Proportional to 75,003.77, 103,327.25 and 52,301.50

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Solution

The fourth proportional to 75,003.77, 103,327.25 and 52,301.50 is: 72,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.77 : 103,327.25 = 52,301.50 : x
  2. Step 2: Convert to fraction form
    75,003.77/103,327.25 = 52,301.50/x
  3. Step 3: Cross multiply
    75,003.77x = 103,327.25 × 52,301.50
  4. Step 4: Simplify right side
    75,003.77x = 5,404,169,646.05
  5. Step 5: Solve for x
    x = 5,404,169,646.05/75,003.77
  6. Step 6: Final answer
    x = 72,051.97

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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.