Home / 113,080.24-169,620.95-66,300.31

Finding the Fourth Proportional to 113,080.24, 169,620.95 and 66,300.31

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Solution

The fourth proportional to 113,080.24, 169,620.95 and 66,300.31 is: 99,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,080.24 : 169,620.95 = 66,300.31 : x
  2. Step 2: Convert to fraction form
    113,080.24/169,620.95 = 66,300.31/x
  3. Step 3: Cross multiply
    113,080.24x = 169,620.95 × 66,300.31
  4. Step 4: Simplify right side
    113,080.24x = 11,245,921,567.49
  5. Step 5: Solve for x
    x = 11,245,921,567.49/113,080.24
  6. Step 6: Final answer
    x = 99,450.81

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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.