Home / 54,915.20-75,782.94-29,764.72

Finding the Fourth Proportional to 54,915.20, 75,782.94 and 29,764.72

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Solution

The fourth proportional to 54,915.20, 75,782.94 and 29,764.72 is: 41,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.20 : 75,782.94 = 29,764.72 : x
  2. Step 2: Convert to fraction form
    54,915.20/75,782.94 = 29,764.72/x
  3. Step 3: Cross multiply
    54,915.20x = 75,782.94 × 29,764.72
  4. Step 4: Simplify right side
    54,915.20x = 2,255,657,989.88
  5. Step 5: Solve for x
    x = 2,255,657,989.88/54,915.20
  6. Step 6: Final answer
    x = 41,075.29

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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.