Home / 53,820.40-80,730.60-37,231.60

Finding the Fourth Proportional to 53,820.40, 80,730.60 and 37,231.60

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Solution

The fourth proportional to 53,820.40, 80,730.60 and 37,231.60 is: 55,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,820.40 : 80,730.60 = 37,231.60 : x
  2. Step 2: Convert to fraction form
    53,820.40/80,730.60 = 37,231.60/x
  3. Step 3: Cross multiply
    53,820.40x = 80,730.60 × 37,231.60
  4. Step 4: Simplify right side
    53,820.40x = 3,005,729,406.96
  5. Step 5: Solve for x
    x = 3,005,729,406.96/53,820.40
  6. Step 6: Final answer
    x = 55,847.40

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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.