Home / 104,795.10-144,647.91-71,280.54

Finding the Fourth Proportional to 104,795.10, 144,647.91 and 71,280.54

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Solution

The fourth proportional to 104,795.10, 144,647.91 and 71,280.54 is: 98,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,795.10 : 144,647.91 = 71,280.54 : x
  2. Step 2: Convert to fraction form
    104,795.10/144,647.91 = 71,280.54/x
  3. Step 3: Cross multiply
    104,795.10x = 144,647.91 × 71,280.54
  4. Step 4: Simplify right side
    104,795.10x = 10,310,581,134.67
  5. Step 5: Solve for x
    x = 10,310,581,134.67/104,795.10
  6. Step 6: Final answer
    x = 98,388.01

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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.