Home / 172,482.75-258,724.14-47,823.75

Finding the Fourth Proportional to 172,482.75, 258,724.14 and 47,823.75

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Solution

The fourth proportional to 172,482.75, 258,724.14 and 47,823.75 is: 71,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,482.75 : 258,724.14 = 47,823.75 : x
  2. Step 2: Convert to fraction form
    172,482.75/258,724.14 = 47,823.75/x
  3. Step 3: Cross multiply
    172,482.75x = 258,724.14 × 47,823.75
  4. Step 4: Simplify right side
    172,482.75x = 12,373,158,590.33
  5. Step 5: Solve for x
    x = 12,373,158,590.33/172,482.75
  6. Step 6: Final answer
    x = 71,735.63

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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.