Home / 57,148.96-85,855.20-54,787

Finding the Fourth Proportional to 57,148.96, 85,855.20 and 54,787

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Solution

The fourth proportional to 57,148.96, 85,855.20 and 54,787 is: 82,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,148.96 : 85,855.20 = 54,787 : x
  2. Step 2: Convert to fraction form
    57,148.96/85,855.20 = 54,787/x
  3. Step 3: Cross multiply
    57,148.96x = 85,855.20 × 54,787
  4. Step 4: Simplify right side
    57,148.96x = 4,703,748,842.40
  5. Step 5: Solve for x
    x = 4,703,748,842.40/57,148.96
  6. Step 6: Final answer
    x = 82,306.81

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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.