Home / 103,907.04-143,388.83-58,584.62

Finding the Fourth Proportional to 103,907.04, 143,388.83 and 58,584.62

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Solution

The fourth proportional to 103,907.04, 143,388.83 and 58,584.62 is: 80,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907.04 : 143,388.83 = 58,584.62 : x
  2. Step 2: Convert to fraction form
    103,907.04/143,388.83 = 58,584.62/x
  3. Step 3: Cross multiply
    103,907.04x = 143,388.83 × 58,584.62
  4. Step 4: Simplify right side
    103,907.04x = 8,400,380,117.79
  5. Step 5: Solve for x
    x = 8,400,380,117.79/103,907.04
  6. Step 6: Final answer
    x = 80,845.15

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1.5x scale

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.