Home / 84,638.50-116,801.15-46,912.75

Finding the Fourth Proportional to 84,638.50, 116,801.15 and 46,912.75

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Solution

The fourth proportional to 84,638.50, 116,801.15 and 46,912.75 is: 64,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.50 : 116,801.15 = 46,912.75 : x
  2. Step 2: Convert to fraction form
    84,638.50/116,801.15 = 46,912.75/x
  3. Step 3: Cross multiply
    84,638.50x = 116,801.15 × 46,912.75
  4. Step 4: Simplify right side
    84,638.50x = 5,479,463,149.66
  5. Step 5: Solve for x
    x = 5,479,463,149.66/84,638.50
  6. Step 6: Final answer
    x = 64,739.61

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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.