Home / 104,064.02-143,670.21-68,316.56

Finding the Fourth Proportional to 104,064.02, 143,670.21 and 68,316.56

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Solution

The fourth proportional to 104,064.02, 143,670.21 and 68,316.56 is: 94,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.02 : 143,670.21 = 68,316.56 : x
  2. Step 2: Convert to fraction form
    104,064.02/143,670.21 = 68,316.56/x
  3. Step 3: Cross multiply
    104,064.02x = 143,670.21 × 68,316.56
  4. Step 4: Simplify right side
    104,064.02x = 9,815,054,521.68
  5. Step 5: Solve for x
    x = 9,815,054,521.68/104,064.02
  6. Step 6: Final answer
    x = 94,317.46

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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.