Home / 53,760.96-73,977.48-48,730.86

Finding the Fourth Proportional to 53,760.96, 73,977.48 and 48,730.86

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Solution

The fourth proportional to 53,760.96, 73,977.48 and 48,730.86 is: 67,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.96 : 73,977.48 = 48,730.86 : x
  2. Step 2: Convert to fraction form
    53,760.96/73,977.48 = 48,730.86/x
  3. Step 3: Cross multiply
    53,760.96x = 73,977.48 × 48,730.86
  4. Step 4: Simplify right side
    53,760.96x = 3,604,986,221.03
  5. Step 5: Solve for x
    x = 3,604,986,221.03/53,760.96
  6. Step 6: Final answer
    x = 67,055.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.