Home / 43,873.12-65,793.30-15,785.56

Finding the Fourth Proportional to 43,873.12, 65,793.30 and 15,785.56

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Solution

The fourth proportional to 43,873.12, 65,793.30 and 15,785.56 is: 23,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,873.12 : 65,793.30 = 15,785.56 : x
  2. Step 2: Convert to fraction form
    43,873.12/65,793.30 = 15,785.56/x
  3. Step 3: Cross multiply
    43,873.12x = 65,793.30 × 15,785.56
  4. Step 4: Simplify right side
    43,873.12x = 1,038,584,084.75
  5. Step 5: Solve for x
    x = 1,038,584,084.75/43,873.12
  6. Step 6: Final answer
    x = 23,672.45

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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.