Home / 57,126.50-78,835.37-32,914.08

Finding the Fourth Proportional to 57,126.50, 78,835.37 and 32,914.08

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Solution

The fourth proportional to 57,126.50, 78,835.37 and 32,914.08 is: 45,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.50 : 78,835.37 = 32,914.08 : x
  2. Step 2: Convert to fraction form
    57,126.50/78,835.37 = 32,914.08/x
  3. Step 3: Cross multiply
    57,126.50x = 78,835.37 × 32,914.08
  4. Step 4: Simplify right side
    57,126.50x = 2,594,793,757.29
  5. Step 5: Solve for x
    x = 2,594,793,757.29/57,126.50
  6. Step 6: Final answer
    x = 45,421.90

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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.