Home / 72,273.42-108,456.40-39,016.64

Finding the Fourth Proportional to 72,273.42, 108,456.40 and 39,016.64

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Solution

The fourth proportional to 72,273.42, 108,456.40 and 39,016.64 is: 58,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,273.42 : 108,456.40 = 39,016.64 : x
  2. Step 2: Convert to fraction form
    72,273.42/108,456.40 = 39,016.64/x
  3. Step 3: Cross multiply
    72,273.42x = 108,456.40 × 39,016.64
  4. Step 4: Simplify right side
    72,273.42x = 4,231,604,314.50
  5. Step 5: Solve for x
    x = 4,231,604,314.50/72,273.42
  6. Step 6: Final answer
    x = 58,549.94

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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.