Home / 72,873.06-109,273.05-35,409.66

Finding the Fourth Proportional to 72,873.06, 109,273.05 and 35,409.66

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Solution

The fourth proportional to 72,873.06, 109,273.05 and 35,409.66 is: 53,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873.06 : 109,273.05 = 35,409.66 : x
  2. Step 2: Convert to fraction form
    72,873.06/109,273.05 = 35,409.66/x
  3. Step 3: Cross multiply
    72,873.06x = 109,273.05 × 35,409.66
  4. Step 4: Simplify right side
    72,873.06x = 3,869,321,547.66
  5. Step 5: Solve for x
    x = 3,869,321,547.66/72,873.06
  6. Step 6: Final answer
    x = 53,096.73

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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.