Home / 71,099.92-98,117.58-39,268.66

Finding the Fourth Proportional to 71,099.92, 98,117.58 and 39,268.66

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Solution

The fourth proportional to 71,099.92, 98,117.58 and 39,268.66 is: 54,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,099.92 : 98,117.58 = 39,268.66 : x
  2. Step 2: Convert to fraction form
    71,099.92/98,117.58 = 39,268.66/x
  3. Step 3: Cross multiply
    71,099.92x = 98,117.58 × 39,268.66
  4. Step 4: Simplify right side
    71,099.92x = 3,852,945,889.04
  5. Step 5: Solve for x
    x = 3,852,945,889.04/71,099.92
  6. Step 6: Final answer
    x = 54,190.58

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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.