Home / 57,438.74-79,269.09-32,289.86

Finding the Fourth Proportional to 57,438.74, 79,269.09 and 32,289.86

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Solution

The fourth proportional to 57,438.74, 79,269.09 and 32,289.86 is: 44,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.74 : 79,269.09 = 32,289.86 : x
  2. Step 2: Convert to fraction form
    57,438.74/79,269.09 = 32,289.86/x
  3. Step 3: Cross multiply
    57,438.74x = 79,269.09 × 32,289.86
  4. Step 4: Simplify right side
    57,438.74x = 2,559,587,818.43
  5. Step 5: Solve for x
    x = 2,559,587,818.43/57,438.74
  6. Step 6: Final answer
    x = 44,562.05

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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.