Home / 115,536.98-159,355.73-73,054.50

Finding the Fourth Proportional to 115,536.98, 159,355.73 and 73,054.50

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Solution

The fourth proportional to 115,536.98, 159,355.73 and 73,054.50 is: 100,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.98 : 159,355.73 = 73,054.50 : x
  2. Step 2: Convert to fraction form
    115,536.98/159,355.73 = 73,054.50/x
  3. Step 3: Cross multiply
    115,536.98x = 159,355.73 × 73,054.50
  4. Step 4: Simplify right side
    115,536.98x = 11,641,652,812.01
  5. Step 5: Solve for x
    x = 11,641,652,812.01/115,536.98
  6. Step 6: Final answer
    x = 100,761.27

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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.