Home / 112,828.56-168,973.82-65,343.34

Finding the Fourth Proportional to 112,828.56, 168,973.82 and 65,343.34

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Solution

The fourth proportional to 112,828.56, 168,973.82 and 65,343.34 is: 97,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,828.56 : 168,973.82 = 65,343.34 : x
  2. Step 2: Convert to fraction form
    112,828.56/168,973.82 = 65,343.34/x
  3. Step 3: Cross multiply
    112,828.56x = 168,973.82 × 65,343.34
  4. Step 4: Simplify right side
    112,828.56x = 11,041,313,771.36
  5. Step 5: Solve for x
    x = 11,041,313,771.36/112,828.56
  6. Step 6: Final answer
    x = 97,859.21

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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.