Home / 113,114.22-169,412.94-53,991.51

Finding the Fourth Proportional to 113,114.22, 169,412.94 and 53,991.51

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Solution

The fourth proportional to 113,114.22, 169,412.94 and 53,991.51 is: 80,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.22 : 169,412.94 = 53,991.51 : x
  2. Step 2: Convert to fraction form
    113,114.22/169,412.94 = 53,991.51/x
  3. Step 3: Cross multiply
    113,114.22x = 169,412.94 × 53,991.51
  4. Step 4: Simplify right side
    113,114.22x = 9,146,860,444.14
  5. Step 5: Solve for x
    x = 9,146,860,444.14/113,114.22
  6. Step 6: Final answer
    x = 80,863.93

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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.