Home / 74,811.53-103,232.49-52,199.12

Finding the Fourth Proportional to 74,811.53, 103,232.49 and 52,199.12

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Solution

The fourth proportional to 74,811.53, 103,232.49 and 52,199.12 is: 72,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.53 : 103,232.49 = 52,199.12 : x
  2. Step 2: Convert to fraction form
    74,811.53/103,232.49 = 52,199.12/x
  3. Step 3: Cross multiply
    74,811.53x = 103,232.49 × 52,199.12
  4. Step 4: Simplify right side
    74,811.53x = 5,388,645,133.41
  5. Step 5: Solve for x
    x = 5,388,645,133.41/74,811.53
  6. Step 6: Final answer
    x = 72,029.61

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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.