Home / 104,071.02-143,679.87-68,323.56

Finding the Fourth Proportional to 104,071.02, 143,679.87 and 68,323.56

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Solution

The fourth proportional to 104,071.02, 143,679.87 and 68,323.56 is: 94,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.02 : 143,679.87 = 68,323.56 : x
  2. Step 2: Convert to fraction form
    104,071.02/143,679.87 = 68,323.56/x
  3. Step 3: Cross multiply
    104,071.02x = 143,679.87 × 68,323.56
  4. Step 4: Simplify right side
    104,071.02x = 9,816,720,218.74
  5. Step 5: Solve for x
    x = 9,816,720,218.74/104,071.02
  6. Step 6: Final answer
    x = 94,327.13

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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.