Home / 57,631.65-86,447.34-16,078.65

Finding the Fourth Proportional to 57,631.65, 86,447.34 and 16,078.65

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Solution

The fourth proportional to 57,631.65, 86,447.34 and 16,078.65 is: 24,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.65 : 86,447.34 = 16,078.65 : x
  2. Step 2: Convert to fraction form
    57,631.65/86,447.34 = 16,078.65/x
  3. Step 3: Cross multiply
    57,631.65x = 86,447.34 × 16,078.65
  4. Step 4: Simplify right side
    57,631.65x = 1,389,956,523.29
  5. Step 5: Solve for x
    x = 1,389,956,523.29/57,631.65
  6. Step 6: Final answer
    x = 24,117.94

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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.