Home / 57,221.40-85,832.10-48,581.40

Finding the Fourth Proportional to 57,221.40, 85,832.10 and 48,581.40

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Solution

The fourth proportional to 57,221.40, 85,832.10 and 48,581.40 is: 72,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.40 : 85,832.10 = 48,581.40 : x
  2. Step 2: Convert to fraction form
    57,221.40/85,832.10 = 48,581.40/x
  3. Step 3: Cross multiply
    57,221.40x = 85,832.10 × 48,581.40
  4. Step 4: Simplify right side
    57,221.40x = 4,169,843,582.94
  5. Step 5: Solve for x
    x = 4,169,843,582.94/57,221.40
  6. Step 6: Final answer
    x = 72,872.10

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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.