Home / 104,345.82-143,993.34-56,597.58

Finding the Fourth Proportional to 104,345.82, 143,993.34 and 56,597.58

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Solution

The fourth proportional to 104,345.82, 143,993.34 and 56,597.58 is: 78,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.82 : 143,993.34 = 56,597.58 : x
  2. Step 2: Convert to fraction form
    104,345.82/143,993.34 = 56,597.58/x
  3. Step 3: Cross multiply
    104,345.82x = 143,993.34 × 56,597.58
  4. Step 4: Simplify right side
    104,345.82x = 8,149,674,580.12
  5. Step 5: Solve for x
    x = 8,149,674,580.12/104,345.82
  6. Step 6: Final answer
    x = 78,102.55

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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.