Home / 112,385.60-168,554.10-49,205.60

Finding the Fourth Proportional to 112,385.60, 168,554.10 and 49,205.60

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Solution

The fourth proportional to 112,385.60, 168,554.10 and 49,205.60 is: 73,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,385.60 : 168,554.10 = 49,205.60 : x
  2. Step 2: Convert to fraction form
    112,385.60/168,554.10 = 49,205.60/x
  3. Step 3: Cross multiply
    112,385.60x = 168,554.10 × 49,205.60
  4. Step 4: Simplify right side
    112,385.60x = 8,293,805,622.96
  5. Step 5: Solve for x
    x = 8,293,805,622.96/112,385.60
  6. Step 6: Final answer
    x = 73,797.76

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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.