Home / 75,415.56-113,076.82-25,490.92

Finding the Fourth Proportional to 75,415.56, 113,076.82 and 25,490.92

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Solution

The fourth proportional to 75,415.56, 113,076.82 and 25,490.92 is: 38,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,415.56 : 113,076.82 = 25,490.92 : x
  2. Step 2: Convert to fraction form
    75,415.56/113,076.82 = 25,490.92/x
  3. Step 3: Cross multiply
    75,415.56x = 113,076.82 × 25,490.92
  4. Step 4: Simplify right side
    75,415.56x = 2,882,432,172.47
  5. Step 5: Solve for x
    x = 2,882,432,172.47/75,415.56
  6. Step 6: Final answer
    x = 38,220.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.