Home / 104,974.10-144,820.62-61,936.50

Finding the Fourth Proportional to 104,974.10, 144,820.62 and 61,936.50

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Solution

The fourth proportional to 104,974.10, 144,820.62 and 61,936.50 is: 85,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,974.10 : 144,820.62 = 61,936.50 : x
  2. Step 2: Convert to fraction form
    104,974.10/144,820.62 = 61,936.50/x
  3. Step 3: Cross multiply
    104,974.10x = 144,820.62 × 61,936.50
  4. Step 4: Simplify right side
    104,974.10x = 8,969,682,330.63
  5. Step 5: Solve for x
    x = 8,969,682,330.63/104,974.10
  6. Step 6: Final answer
    x = 85,446.62

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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.