Home / 104,140.35-143,713.44-56,393.69

Finding the Fourth Proportional to 104,140.35, 143,713.44 and 56,393.69

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Solution

The fourth proportional to 104,140.35, 143,713.44 and 56,393.69 is: 77,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.35 : 143,713.44 = 56,393.69 : x
  2. Step 2: Convert to fraction form
    104,140.35/143,713.44 = 56,393.69/x
  3. Step 3: Cross multiply
    104,140.35x = 143,713.44 × 56,393.69
  4. Step 4: Simplify right side
    104,140.35x = 8,104,530,465.63
  5. Step 5: Solve for x
    x = 8,104,530,465.63/104,140.35
  6. Step 6: Final answer
    x = 77,823.15

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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.