Home / 123,917.06-170,999.96-70,200.98

Finding the Fourth Proportional to 123,917.06, 170,999.96 and 70,200.98

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Solution

The fourth proportional to 123,917.06, 170,999.96 and 70,200.98 is: 96,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.06 : 170,999.96 = 70,200.98 : x
  2. Step 2: Convert to fraction form
    123,917.06/170,999.96 = 70,200.98/x
  3. Step 3: Cross multiply
    123,917.06x = 170,999.96 × 70,200.98
  4. Step 4: Simplify right side
    123,917.06x = 12,004,364,771.96
  5. Step 5: Solve for x
    x = 12,004,364,771.96/123,917.06
  6. Step 6: Final answer
    x = 96,874.19

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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.