Home / 56,754.36-78,299.70-32,872.32

Finding the Fourth Proportional to 56,754.36, 78,299.70 and 32,872.32

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Solution

The fourth proportional to 56,754.36, 78,299.70 and 32,872.32 is: 45,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754.36 : 78,299.70 = 32,872.32 : x
  2. Step 2: Convert to fraction form
    56,754.36/78,299.70 = 32,872.32/x
  3. Step 3: Cross multiply
    56,754.36x = 78,299.70 × 32,872.32
  4. Step 4: Simplify right side
    56,754.36x = 2,573,892,794.30
  5. Step 5: Solve for x
    x = 2,573,892,794.30/56,754.36
  6. Step 6: Final answer
    x = 45,351.45

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1.5x scale

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.