Home / 112,376.40-168,563.43-64,961.33

Finding the Fourth Proportional to 112,376.40, 168,563.43 and 64,961.33

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Solution

The fourth proportional to 112,376.40, 168,563.43 and 64,961.33 is: 97,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.40 : 168,563.43 = 64,961.33 : x
  2. Step 2: Convert to fraction form
    112,376.40/168,563.43 = 64,961.33/x
  3. Step 3: Cross multiply
    112,376.40x = 168,563.43 × 64,961.33
  4. Step 4: Simplify right side
    112,376.40x = 10,950,103,759.34
  5. Step 5: Solve for x
    x = 10,950,103,759.34/112,376.40
  6. Step 6: Final answer
    x = 97,441.31

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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.