Home / 81,912.35-113,026.75-46,100.23

Finding the Fourth Proportional to 81,912.35, 113,026.75 and 46,100.23

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Solution

The fourth proportional to 81,912.35, 113,026.75 and 46,100.23 is: 63,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,912.35 : 113,026.75 = 46,100.23 : x
  2. Step 2: Convert to fraction form
    81,912.35/113,026.75 = 46,100.23/x
  3. Step 3: Cross multiply
    81,912.35x = 113,026.75 × 46,100.23
  4. Step 4: Simplify right side
    81,912.35x = 5,210,559,171.15
  5. Step 5: Solve for x
    x = 5,210,559,171.15/81,912.35
  6. Step 6: Final answer
    x = 63,611.40

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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.