Home / 62,109.72-85,600.35-50,705.73

Finding the Fourth Proportional to 62,109.72, 85,600.35 and 50,705.73

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Solution

The fourth proportional to 62,109.72, 85,600.35 and 50,705.73 is: 69,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109.72 : 85,600.35 = 50,705.73 : x
  2. Step 2: Convert to fraction form
    62,109.72/85,600.35 = 50,705.73/x
  3. Step 3: Cross multiply
    62,109.72x = 85,600.35 × 50,705.73
  4. Step 4: Simplify right side
    62,109.72x = 4,340,428,235.01
  5. Step 5: Solve for x
    x = 4,340,428,235.01/62,109.72
  6. Step 6: Final answer
    x = 69,883.24

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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.