Home / 72,977.08-109,291.86-46,600.12

Finding the Fourth Proportional to 72,977.08, 109,291.86 and 46,600.12

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Solution

The fourth proportional to 72,977.08, 109,291.86 and 46,600.12 is: 69,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.08 : 109,291.86 = 46,600.12 : x
  2. Step 2: Convert to fraction form
    72,977.08/109,291.86 = 46,600.12/x
  3. Step 3: Cross multiply
    72,977.08x = 109,291.86 × 46,600.12
  4. Step 4: Simplify right side
    72,977.08x = 5,093,013,791.02
  5. Step 5: Solve for x
    x = 5,093,013,791.02/72,977.08
  6. Step 6: Final answer
    x = 69,789.22

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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.