Home / 75,747.12-104,531-41,756.16

Finding the Fourth Proportional to 75,747.12, 104,531 and 41,756.16

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Solution

The fourth proportional to 75,747.12, 104,531 and 41,756.16 is: 57,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,747.12 : 104,531 = 41,756.16 : x
  2. Step 2: Convert to fraction form
    75,747.12/104,531 = 41,756.16/x
  3. Step 3: Cross multiply
    75,747.12x = 104,531 × 41,756.16
  4. Step 4: Simplify right side
    75,747.12x = 4,364,813,160.96
  5. Step 5: Solve for x
    x = 4,364,813,160.96/75,747.12
  6. Step 6: Final answer
    x = 57,623.49

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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.