Home / 48,578.58-72,872.12-14,852.21

Finding the Fourth Proportional to 48,578.58, 72,872.12 and 14,852.21

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Solution

The fourth proportional to 48,578.58, 72,872.12 and 14,852.21 is: 22,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,578.58 : 72,872.12 = 14,852.21 : x
  2. Step 2: Convert to fraction form
    48,578.58/72,872.12 = 14,852.21/x
  3. Step 3: Cross multiply
    48,578.58x = 72,872.12 × 14,852.21
  4. Step 4: Simplify right side
    48,578.58x = 1,082,311,702.16
  5. Step 5: Solve for x
    x = 1,082,311,702.16/48,578.58
  6. Step 6: Final answer
    x = 22,279.61

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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.