Home / 104,340.42-143,990.46-56,595.78

Finding the Fourth Proportional to 104,340.42, 143,990.46 and 56,595.78

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Solution

The fourth proportional to 104,340.42, 143,990.46 and 56,595.78 is: 78,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,340.42 : 143,990.46 = 56,595.78 : x
  2. Step 2: Convert to fraction form
    104,340.42/143,990.46 = 56,595.78/x
  3. Step 3: Cross multiply
    104,340.42x = 143,990.46 × 56,595.78
  4. Step 4: Simplify right side
    104,340.42x = 8,149,252,396.26
  5. Step 5: Solve for x
    x = 8,149,252,396.26/104,340.42
  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.