Home / 104,973.80-157,413.31-30,076.81

Finding the Fourth Proportional to 104,973.80, 157,413.31 and 30,076.81

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Solution

The fourth proportional to 104,973.80, 157,413.31 and 30,076.81 is: 45,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,973.80 : 157,413.31 = 30,076.81 : x
  2. Step 2: Convert to fraction form
    104,973.80/157,413.31 = 30,076.81/x
  3. Step 3: Cross multiply
    104,973.80x = 157,413.31 × 30,076.81
  4. Step 4: Simplify right side
    104,973.80x = 4,734,490,216.34
  5. Step 5: Solve for x
    x = 4,734,490,216.34/104,973.80
  6. Step 6: Final answer
    x = 45,101.64

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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.