Home / 56,162.72-84,215.90-18,709.62

Finding the Fourth Proportional to 56,162.72, 84,215.90 and 18,709.62

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Solution

The fourth proportional to 56,162.72, 84,215.90 and 18,709.62 is: 28,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.72 : 84,215.90 = 18,709.62 : x
  2. Step 2: Convert to fraction form
    56,162.72/84,215.90 = 18,709.62/x
  3. Step 3: Cross multiply
    56,162.72x = 84,215.90 × 18,709.62
  4. Step 4: Simplify right side
    56,162.72x = 1,575,647,533.73
  5. Step 5: Solve for x
    x = 1,575,647,533.73/56,162.72
  6. Step 6: Final answer
    x = 28,055.05

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1.5x scale

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.