Home / 74,839.74-103,278.63-41,305.50

Finding the Fourth Proportional to 74,839.74, 103,278.63 and 41,305.50

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Solution

The fourth proportional to 74,839.74, 103,278.63 and 41,305.50 is: 57,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.74 : 103,278.63 = 41,305.50 : x
  2. Step 2: Convert to fraction form
    74,839.74/103,278.63 = 41,305.50/x
  3. Step 3: Cross multiply
    74,839.74x = 103,278.63 × 41,305.50
  4. Step 4: Simplify right side
    74,839.74x = 4,265,975,451.47
  5. Step 5: Solve for x
    x = 4,265,975,451.47/74,839.74
  6. Step 6: Final answer
    x = 57,001.47

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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.