Home / 84,638.72-116,800.58-46,400.38

Finding the Fourth Proportional to 84,638.72, 116,800.58 and 46,400.38

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Solution

The fourth proportional to 84,638.72, 116,800.58 and 46,400.38 is: 64,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.72 : 116,800.58 = 46,400.38 : x
  2. Step 2: Convert to fraction form
    84,638.72/116,800.58 = 46,400.38/x
  3. Step 3: Cross multiply
    84,638.72x = 116,800.58 × 46,400.38
  4. Step 4: Simplify right side
    84,638.72x = 5,419,591,120.22
  5. Step 5: Solve for x
    x = 5,419,591,120.22/84,638.72
  6. Step 6: Final answer
    x = 64,032.05

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1.5x scale

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.