Home / 84,840.54-117,066.90-49,023.60

Finding the Fourth Proportional to 84,840.54, 117,066.90 and 49,023.60

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Solution

The fourth proportional to 84,840.54, 117,066.90 and 49,023.60 is: 67,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.54 : 117,066.90 = 49,023.60 : x
  2. Step 2: Convert to fraction form
    84,840.54/117,066.90 = 49,023.60/x
  3. Step 3: Cross multiply
    84,840.54x = 117,066.90 × 49,023.60
  4. Step 4: Simplify right side
    84,840.54x = 5,739,040,878.84
  5. Step 5: Solve for x
    x = 5,739,040,878.84/84,840.54
  6. Step 6: Final answer
    x = 67,645.03

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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.