Home / 74,261.12-111,252.16-36,777.60

Finding the Fourth Proportional to 74,261.12, 111,252.16 and 36,777.60

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Solution

The fourth proportional to 74,261.12, 111,252.16 and 36,777.60 is: 55,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.12 : 111,252.16 = 36,777.60 : x
  2. Step 2: Convert to fraction form
    74,261.12/111,252.16 = 36,777.60/x
  3. Step 3: Cross multiply
    74,261.12x = 111,252.16 × 36,777.60
  4. Step 4: Simplify right side
    74,261.12x = 4,091,587,439.62
  5. Step 5: Solve for x
    x = 4,091,587,439.62/74,261.12
  6. Step 6: Final answer
    x = 55,097.30

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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.