Home / 57,331.86-79,109.40-32,176.50

Finding the Fourth Proportional to 57,331.86, 79,109.40 and 32,176.50

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Solution

The fourth proportional to 57,331.86, 79,109.40 and 32,176.50 is: 44,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,331.86 : 79,109.40 = 32,176.50 : x
  2. Step 2: Convert to fraction form
    57,331.86/79,109.40 = 32,176.50/x
  3. Step 3: Cross multiply
    57,331.86x = 79,109.40 × 32,176.50
  4. Step 4: Simplify right side
    57,331.86x = 2,545,463,609.10
  5. Step 5: Solve for x
    x = 2,545,463,609.10/57,331.86
  6. Step 6: Final answer
    x = 44,398.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.