Home / 53,785.56-80,599.86-30,291.96

Finding the Fourth Proportional to 53,785.56, 80,599.86 and 30,291.96

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Solution

The fourth proportional to 53,785.56, 80,599.86 and 30,291.96 is: 45,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.56 : 80,599.86 = 30,291.96 : x
  2. Step 2: Convert to fraction form
    53,785.56/80,599.86 = 30,291.96/x
  3. Step 3: Cross multiply
    53,785.56x = 80,599.86 × 30,291.96
  4. Step 4: Simplify right side
    53,785.56x = 2,441,527,735.13
  5. Step 5: Solve for x
    x = 2,441,527,735.13/53,785.56
  6. Step 6: Final answer
    x = 45,393.74

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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.