Home / 115,768.24-173,655.96-39,866

Finding the Fourth Proportional to 115,768.24, 173,655.96 and 39,866

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Solution

The fourth proportional to 115,768.24, 173,655.96 and 39,866 is: 59,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,768.24 : 173,655.96 = 39,866 : x
  2. Step 2: Convert to fraction form
    115,768.24/173,655.96 = 39,866/x
  3. Step 3: Cross multiply
    115,768.24x = 173,655.96 × 39,866
  4. Step 4: Simplify right side
    115,768.24x = 6,922,968,501.36
  5. Step 5: Solve for x
    x = 6,922,968,501.36/115,768.24
  6. Step 6: Final answer
    x = 59,800.24

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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.