Home / 85,536.91-128,293.20-29,376.10

Finding the Fourth Proportional to 85,536.91, 128,293.20 and 29,376.10

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Solution

The fourth proportional to 85,536.91, 128,293.20 and 29,376.10 is: 44,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.91 : 128,293.20 = 29,376.10 : x
  2. Step 2: Convert to fraction form
    85,536.91/128,293.20 = 29,376.10/x
  3. Step 3: Cross multiply
    85,536.91x = 128,293.20 × 29,376.10
  4. Step 4: Simplify right side
    85,536.91x = 3,768,753,872.52
  5. Step 5: Solve for x
    x = 3,768,753,872.52/85,536.91
  6. Step 6: Final answer
    x = 44,059.97

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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.