Home / 58,181.85-87,272.69-18,744.75

Finding the Fourth Proportional to 58,181.85, 87,272.69 and 18,744.75

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Solution

The fourth proportional to 58,181.85, 87,272.69 and 18,744.75 is: 28,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.85 : 87,272.69 = 18,744.75 : x
  2. Step 2: Convert to fraction form
    58,181.85/87,272.69 = 18,744.75/x
  3. Step 3: Cross multiply
    58,181.85x = 87,272.69 × 18,744.75
  4. Step 4: Simplify right side
    58,181.85x = 1,635,904,662.15
  5. Step 5: Solve for x
    x = 1,635,904,662.15/58,181.85
  6. Step 6: Final answer
    x = 28,117.10

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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.