Home / 76,015.51-104,938.82-47,736.79

Finding the Fourth Proportional to 76,015.51, 104,938.82 and 47,736.79

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Solution

The fourth proportional to 76,015.51, 104,938.82 and 47,736.79 is: 65,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.51 : 104,938.82 = 47,736.79 : x
  2. Step 2: Convert to fraction form
    76,015.51/104,938.82 = 47,736.79/x
  3. Step 3: Cross multiply
    76,015.51x = 104,938.82 × 47,736.79
  4. Step 4: Simplify right side
    76,015.51x = 5,009,442,413.19
  5. Step 5: Solve for x
    x = 5,009,442,413.19/76,015.51
  6. Step 6: Final answer
    x = 65,900.27

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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.