Home / 112,599.72-168,563.04-68,091.84

Finding the Fourth Proportional to 112,599.72, 168,563.04 and 68,091.84

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Solution

The fourth proportional to 112,599.72, 168,563.04 and 68,091.84 is: 101,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,599.72 : 168,563.04 = 68,091.84 : x
  2. Step 2: Convert to fraction form
    112,599.72/168,563.04 = 68,091.84/x
  3. Step 3: Cross multiply
    112,599.72x = 168,563.04 × 68,091.84
  4. Step 4: Simplify right side
    112,599.72x = 11,477,767,549.59
  5. Step 5: Solve for x
    x = 11,477,767,549.59/112,599.72
  6. Step 6: Final answer
    x = 101,934.25

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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.