Home / 113,157.36-169,736.07-30,051.36

Finding the Fourth Proportional to 113,157.36, 169,736.07 and 30,051.36

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Solution

The fourth proportional to 113,157.36, 169,736.07 and 30,051.36 is: 45,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,157.36 : 169,736.07 = 30,051.36 : x
  2. Step 2: Convert to fraction form
    113,157.36/169,736.07 = 30,051.36/x
  3. Step 3: Cross multiply
    113,157.36x = 169,736.07 × 30,051.36
  4. Step 4: Simplify right side
    113,157.36x = 5,100,799,744.56
  5. Step 5: Solve for x
    x = 5,100,799,744.56/113,157.36
  6. Step 6: Final answer
    x = 45,077.05

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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.