Home / 104,628.42-144,388.44-56,880.72

Finding the Fourth Proportional to 104,628.42, 144,388.44 and 56,880.72

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Solution

The fourth proportional to 104,628.42, 144,388.44 and 56,880.72 is: 78,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,628.42 : 144,388.44 = 56,880.72 : x
  2. Step 2: Convert to fraction form
    104,628.42/144,388.44 = 56,880.72/x
  3. Step 3: Cross multiply
    104,628.42x = 144,388.44 × 56,880.72
  4. Step 4: Simplify right side
    104,628.42x = 8,212,918,426.88
  5. Step 5: Solve for x
    x = 8,212,918,426.88/104,628.42
  6. Step 6: Final answer
    x = 78,496.06

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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.