Home / 71,087.82-98,099.28-39,256.04

Finding the Fourth Proportional to 71,087.82, 98,099.28 and 39,256.04

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Solution

The fourth proportional to 71,087.82, 98,099.28 and 39,256.04 is: 54,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087.82 : 98,099.28 = 39,256.04 : x
  2. Step 2: Convert to fraction form
    71,087.82/98,099.28 = 39,256.04/x
  3. Step 3: Cross multiply
    71,087.82x = 98,099.28 × 39,256.04
  4. Step 4: Simplify right side
    71,087.82x = 3,850,989,259.65
  5. Step 5: Solve for x
    x = 3,850,989,259.65/71,087.82
  6. Step 6: Final answer
    x = 54,172.28

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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.