Home / 104,629.96-144,390.81-56,883.34

Finding the Fourth Proportional to 104,629.96, 144,390.81 and 56,883.34

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Solution

The fourth proportional to 104,629.96, 144,390.81 and 56,883.34 is: 78,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,629.96 : 144,390.81 = 56,883.34 : x
  2. Step 2: Convert to fraction form
    104,629.96/144,390.81 = 56,883.34/x
  3. Step 3: Cross multiply
    104,629.96x = 144,390.81 × 56,883.34
  4. Step 4: Simplify right side
    104,629.96x = 8,213,431,538.11
  5. Step 5: Solve for x
    x = 8,213,431,538.11/104,629.96
  6. Step 6: Final answer
    x = 78,499.81

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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.