Home / 104,900.03-144,763.70-57,153.36

Finding the Fourth Proportional to 104,900.03, 144,763.70 and 57,153.36

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Solution

The fourth proportional to 104,900.03, 144,763.70 and 57,153.36 is: 78,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,900.03 : 144,763.70 = 57,153.36 : x
  2. Step 2: Convert to fraction form
    104,900.03/144,763.70 = 57,153.36/x
  3. Step 3: Cross multiply
    104,900.03x = 144,763.70 × 57,153.36
  4. Step 4: Simplify right side
    104,900.03x = 8,273,731,575.27
  5. Step 5: Solve for x
    x = 8,273,731,575.27/104,900.03
  6. Step 6: Final answer
    x = 78,872.54

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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.