Home / 75,481.60-113,222.40-34,009.60

Finding the Fourth Proportional to 75,481.60, 113,222.40 and 34,009.60

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Solution

The fourth proportional to 75,481.60, 113,222.40 and 34,009.60 is: 51,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.60 : 113,222.40 = 34,009.60 : x
  2. Step 2: Convert to fraction form
    75,481.60/113,222.40 = 34,009.60/x
  3. Step 3: Cross multiply
    75,481.60x = 113,222.40 × 34,009.60
  4. Step 4: Simplify right side
    75,481.60x = 3,850,648,535.04
  5. Step 5: Solve for x
    x = 3,850,648,535.04/75,481.60
  6. Step 6: Final answer
    x = 51,014.40

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1.5x scale

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.