Home / 71,558.08-98,750.37-39,727.06

Finding the Fourth Proportional to 71,558.08, 98,750.37 and 39,727.06

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Solution

The fourth proportional to 71,558.08, 98,750.37 and 39,727.06 is: 54,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,558.08 : 98,750.37 = 39,727.06 : x
  2. Step 2: Convert to fraction form
    71,558.08/98,750.37 = 39,727.06/x
  3. Step 3: Cross multiply
    71,558.08x = 98,750.37 × 39,727.06
  4. Step 4: Simplify right side
    71,558.08x = 3,923,061,874.01
  5. Step 5: Solve for x
    x = 3,923,061,874.01/71,558.08
  6. Step 6: Final answer
    x = 54,823.46

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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.