Home / 75,118.28-103,663.48-41,127.08

Finding the Fourth Proportional to 75,118.28, 103,663.48 and 41,127.08

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Solution

The fourth proportional to 75,118.28, 103,663.48 and 41,127.08 is: 56,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.28 : 103,663.48 = 41,127.08 : x
  2. Step 2: Convert to fraction form
    75,118.28/103,663.48 = 41,127.08/x
  3. Step 3: Cross multiply
    75,118.28x = 103,663.48 × 41,127.08
  4. Step 4: Simplify right side
    75,118.28x = 4,263,376,235.04
  5. Step 5: Solve for x
    x = 4,263,376,235.04/75,118.28
  6. Step 6: Final answer
    x = 56,755.51

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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.