Home / 57,480.06-86,241.51-25,880.64

Finding the Fourth Proportional to 57,480.06, 86,241.51 and 25,880.64

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Solution

The fourth proportional to 57,480.06, 86,241.51 and 25,880.64 is: 38,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.06 : 86,241.51 = 25,880.64 : x
  2. Step 2: Convert to fraction form
    57,480.06/86,241.51 = 25,880.64/x
  3. Step 3: Cross multiply
    57,480.06x = 86,241.51 × 25,880.64
  4. Step 4: Simplify right side
    57,480.06x = 2,231,985,473.37
  5. Step 5: Solve for x
    x = 2,231,985,473.37/57,480.06
  6. Step 6: Final answer
    x = 38,830.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.