Home / 74,416.20-111,636.60-34,475.10

Finding the Fourth Proportional to 74,416.20, 111,636.60 and 34,475.10

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Solution

The fourth proportional to 74,416.20, 111,636.60 and 34,475.10 is: 51,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.20 : 111,636.60 = 34,475.10 : x
  2. Step 2: Convert to fraction form
    74,416.20/111,636.60 = 34,475.10/x
  3. Step 3: Cross multiply
    74,416.20x = 111,636.60 × 34,475.10
  4. Step 4: Simplify right side
    74,416.20x = 3,848,682,948.66
  5. Step 5: Solve for x
    x = 3,848,682,948.66/74,416.20
  6. Step 6: Final answer
    x = 51,718.35

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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.