Home / 124,749.97-172,155.23-71,035.04

Finding the Fourth Proportional to 124,749.97, 172,155.23 and 71,035.04

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Solution

The fourth proportional to 124,749.97, 172,155.23 and 71,035.04 is: 98,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,749.97 : 172,155.23 = 71,035.04 : x
  2. Step 2: Convert to fraction form
    124,749.97/172,155.23 = 71,035.04/x
  3. Step 3: Cross multiply
    124,749.97x = 172,155.23 × 71,035.04
  4. Step 4: Simplify right side
    124,749.97x = 12,229,052,699.69
  5. Step 5: Solve for x
    x = 12,229,052,699.69/124,749.97
  6. Step 6: Final answer
    x = 98,028.50

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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.