Home / 57,051.88-78,735.23-31,901.38

Finding the Fourth Proportional to 57,051.88, 78,735.23 and 31,901.38

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Solution

The fourth proportional to 57,051.88, 78,735.23 and 31,901.38 is: 44,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.88 : 78,735.23 = 31,901.38 : x
  2. Step 2: Convert to fraction form
    57,051.88/78,735.23 = 31,901.38/x
  3. Step 3: Cross multiply
    57,051.88x = 78,735.23 × 31,901.38
  4. Step 4: Simplify right side
    57,051.88x = 2,511,762,491.62
  5. Step 5: Solve for x
    x = 2,511,762,491.62/57,051.88
  6. Step 6: Final answer
    x = 44,025.94

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1.5x scale

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.