Home / 54,297.58-81,074.98-48,638.72

Finding the Fourth Proportional to 54,297.58, 81,074.98 and 48,638.72

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Solution

The fourth proportional to 54,297.58, 81,074.98 and 48,638.72 is: 72,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,297.58 : 81,074.98 = 48,638.72 : x
  2. Step 2: Convert to fraction form
    54,297.58/81,074.98 = 48,638.72/x
  3. Step 3: Cross multiply
    54,297.58x = 81,074.98 × 48,638.72
  4. Step 4: Simplify right side
    54,297.58x = 3,943,383,251.23
  5. Step 5: Solve for x
    x = 3,943,383,251.23/54,297.58
  6. Step 6: Final answer
    x = 72,625.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.