Home / 75,111.76-103,653.34-41,119.84

Finding the Fourth Proportional to 75,111.76, 103,653.34 and 41,119.84

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Solution

The fourth proportional to 75,111.76, 103,653.34 and 41,119.84 is: 56,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.76 : 103,653.34 = 41,119.84 : x
  2. Step 2: Convert to fraction form
    75,111.76/103,653.34 = 41,119.84/x
  3. Step 3: Cross multiply
    75,111.76x = 103,653.34 × 41,119.84
  4. Step 4: Simplify right side
    75,111.76x = 4,262,208,756.27
  5. Step 5: Solve for x
    x = 4,262,208,756.27/75,111.76
  6. Step 6: Final answer
    x = 56,744.89

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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.