Home / 71,099.60-98,117.46-39,268.49

Finding the Fourth Proportional to 71,099.60, 98,117.46 and 39,268.49

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Solution

The fourth proportional to 71,099.60, 98,117.46 and 39,268.49 is: 54,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,099.60 : 98,117.46 = 39,268.49 : x
  2. Step 2: Convert to fraction form
    71,099.60/98,117.46 = 39,268.49/x
  3. Step 3: Cross multiply
    71,099.60x = 98,117.46 × 39,268.49
  4. Step 4: Simplify right side
    71,099.60x = 3,852,924,006.25
  5. Step 5: Solve for x
    x = 3,852,924,006.25/71,099.60
  6. Step 6: Final answer
    x = 54,190.52

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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.