Home / 57,770.10-86,596.83-31,420.26

Finding the Fourth Proportional to 57,770.10, 86,596.83 and 31,420.26

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Solution

The fourth proportional to 57,770.10, 86,596.83 and 31,420.26 is: 47,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.10 : 86,596.83 = 31,420.26 : x
  2. Step 2: Convert to fraction form
    57,770.10/86,596.83 = 31,420.26/x
  3. Step 3: Cross multiply
    57,770.10x = 86,596.83 × 31,420.26
  4. Step 4: Simplify right side
    57,770.10x = 2,720,894,913.78
  5. Step 5: Solve for x
    x = 2,720,894,913.78/57,770.10
  6. Step 6: Final answer
    x = 47,098.67

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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.