Home / 50,980.06-76,474.14-13,539.16

Finding the Fourth Proportional to 50,980.06, 76,474.14 and 13,539.16

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Solution

The fourth proportional to 50,980.06, 76,474.14 and 13,539.16 is: 20,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,980.06 : 76,474.14 = 13,539.16 : x
  2. Step 2: Convert to fraction form
    50,980.06/76,474.14 = 13,539.16/x
  3. Step 3: Cross multiply
    50,980.06x = 76,474.14 × 13,539.16
  4. Step 4: Simplify right side
    50,980.06x = 1,035,395,617.32
  5. Step 5: Solve for x
    x = 1,035,395,617.32/50,980.06
  6. Step 6: Final answer
    x = 20,309.82

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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.