Home / 74,768.34-112,097.13-45,179.25

Finding the Fourth Proportional to 74,768.34, 112,097.13 and 45,179.25

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Solution

The fourth proportional to 74,768.34, 112,097.13 and 45,179.25 is: 67,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.34 : 112,097.13 = 45,179.25 : x
  2. Step 2: Convert to fraction form
    74,768.34/112,097.13 = 45,179.25/x
  3. Step 3: Cross multiply
    74,768.34x = 112,097.13 × 45,179.25
  4. Step 4: Simplify right side
    74,768.34x = 5,064,464,260.55
  5. Step 5: Solve for x
    x = 5,064,464,260.55/74,768.34
  6. Step 6: Final answer
    x = 67,735.41

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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.