Home / 71,090.46-98,105.58-39,260.16

Finding the Fourth Proportional to 71,090.46, 98,105.58 and 39,260.16

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Solution

The fourth proportional to 71,090.46, 98,105.58 and 39,260.16 is: 54,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.46 : 98,105.58 = 39,260.16 : x
  2. Step 2: Convert to fraction form
    71,090.46/98,105.58 = 39,260.16/x
  3. Step 3: Cross multiply
    71,090.46x = 98,105.58 × 39,260.16
  4. Step 4: Simplify right side
    71,090.46x = 3,851,640,767.69
  5. Step 5: Solve for x
    x = 3,851,640,767.69/71,090.46
  6. Step 6: Final answer
    x = 54,179.43

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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.