Home / 112,749.93-169,124.81-46,190.21

Finding the Fourth Proportional to 112,749.93, 169,124.81 and 46,190.21

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Solution

The fourth proportional to 112,749.93, 169,124.81 and 46,190.21 is: 69,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,749.93 : 169,124.81 = 46,190.21 : x
  2. Step 2: Convert to fraction form
    112,749.93/169,124.81 = 46,190.21/x
  3. Step 3: Cross multiply
    112,749.93x = 169,124.81 × 46,190.21
  4. Step 4: Simplify right side
    112,749.93x = 7,811,909,413.54
  5. Step 5: Solve for x
    x = 7,811,909,413.54/112,749.93
  6. Step 6: Final answer
    x = 69,285.27

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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.