Home / 72,635.33-108,959.24-20,044.80

Finding the Fourth Proportional to 72,635.33, 108,959.24 and 20,044.80

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Solution

The fourth proportional to 72,635.33, 108,959.24 and 20,044.80 is: 30,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635.33 : 108,959.24 = 20,044.80 : x
  2. Step 2: Convert to fraction form
    72,635.33/108,959.24 = 20,044.80/x
  3. Step 3: Cross multiply
    72,635.33x = 108,959.24 × 20,044.80
  4. Step 4: Simplify right side
    72,635.33x = 2,184,066,224.06
  5. Step 5: Solve for x
    x = 2,184,066,224.06/72,635.33
  6. Step 6: Final answer
    x = 30,068.92

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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.