Home / 107,059.20-160,542.36-57,128.37

Finding the Fourth Proportional to 107,059.20, 160,542.36 and 57,128.37

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Solution

The fourth proportional to 107,059.20, 160,542.36 and 57,128.37 is: 85,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,059.20 : 160,542.36 = 57,128.37 : x
  2. Step 2: Convert to fraction form
    107,059.20/160,542.36 = 57,128.37/x
  3. Step 3: Cross multiply
    107,059.20x = 160,542.36 × 57,128.37
  4. Step 4: Simplify right side
    107,059.20x = 9,171,523,342.75
  5. Step 5: Solve for x
    x = 9,171,523,342.75/107,059.20
  6. Step 6: Final answer
    x = 85,667.77

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1.5x scale

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.