Home / 64,109.53-88,470.82-35,431.21

Finding the Fourth Proportional to 64,109.53, 88,470.82 and 35,431.21

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Solution

The fourth proportional to 64,109.53, 88,470.82 and 35,431.21 is: 48,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.53 : 88,470.82 = 35,431.21 : x
  2. Step 2: Convert to fraction form
    64,109.53/88,470.82 = 35,431.21/x
  3. Step 3: Cross multiply
    64,109.53x = 88,470.82 × 35,431.21
  4. Step 4: Simplify right side
    64,109.53x = 3,134,628,202.29
  5. Step 5: Solve for x
    x = 3,134,628,202.29/64,109.53
  6. Step 6: Final answer
    x = 48,894.89

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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.