Home / 85,472.96-128,208.02-32,893.83

Finding the Fourth Proportional to 85,472.96, 128,208.02 and 32,893.83

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Solution

The fourth proportional to 85,472.96, 128,208.02 and 32,893.83 is: 49,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,472.96 : 128,208.02 = 32,893.83 : x
  2. Step 2: Convert to fraction form
    85,472.96/128,208.02 = 32,893.83/x
  3. Step 3: Cross multiply
    85,472.96x = 128,208.02 × 32,893.83
  4. Step 4: Simplify right side
    85,472.96x = 4,217,252,650.05
  5. Step 5: Solve for x
    x = 4,217,252,650.05/85,472.96
  6. Step 6: Final answer
    x = 49,340.20

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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.