Home / 62,112.32-85,771.89-39,458.60

Finding the Fourth Proportional to 62,112.32, 85,771.89 and 39,458.60

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Solution

The fourth proportional to 62,112.32, 85,771.89 and 39,458.60 is: 54,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.32 : 85,771.89 = 39,458.60 : x
  2. Step 2: Convert to fraction form
    62,112.32/85,771.89 = 39,458.60/x
  3. Step 3: Cross multiply
    62,112.32x = 85,771.89 × 39,458.60
  4. Step 4: Simplify right side
    62,112.32x = 3,384,438,698.75
  5. Step 5: Solve for x
    x = 3,384,438,698.75/62,112.32
  6. Step 6: Final answer
    x = 54,489.01

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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.