Home / 71,274.25-98,355.45-39,441.25

Finding the Fourth Proportional to 71,274.25, 98,355.45 and 39,441.25

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Solution

The fourth proportional to 71,274.25, 98,355.45 and 39,441.25 is: 54,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274.25 : 98,355.45 = 39,441.25 : x
  2. Step 2: Convert to fraction form
    71,274.25/98,355.45 = 39,441.25/x
  3. Step 3: Cross multiply
    71,274.25x = 98,355.45 × 39,441.25
  4. Step 4: Simplify right side
    71,274.25x = 3,879,261,892.31
  5. Step 5: Solve for x
    x = 3,879,261,892.31/71,274.25
  6. Step 6: Final answer
    x = 54,427.26

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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.