Home / 103,795.44-143,237.70-58,473.60

Finding the Fourth Proportional to 103,795.44, 143,237.70 and 58,473.60

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Solution

The fourth proportional to 103,795.44, 143,237.70 and 58,473.60 is: 80,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,795.44 : 143,237.70 = 58,473.60 : x
  2. Step 2: Convert to fraction form
    103,795.44/143,237.70 = 58,473.60/x
  3. Step 3: Cross multiply
    103,795.44x = 143,237.70 × 58,473.60
  4. Step 4: Simplify right side
    103,795.44x = 8,375,623,974.72
  5. Step 5: Solve for x
    x = 8,375,623,974.72/103,795.44
  6. Step 6: Final answer
    x = 80,693.56

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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.