Home / 57,050.10-85,503.87-39,379.14

Finding the Fourth Proportional to 57,050.10, 85,503.87 and 39,379.14

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Solution

The fourth proportional to 57,050.10, 85,503.87 and 39,379.14 is: 59,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.10 : 85,503.87 = 39,379.14 : x
  2. Step 2: Convert to fraction form
    57,050.10/85,503.87 = 39,379.14/x
  3. Step 3: Cross multiply
    57,050.10x = 85,503.87 × 39,379.14
  4. Step 4: Simplify right side
    57,050.10x = 3,367,068,867.27
  5. Step 5: Solve for x
    x = 3,367,068,867.27/57,050.10
  6. Step 6: Final answer
    x = 59,019.51

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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.