Home / 103,619.48-142,994.70-58,297.48

Finding the Fourth Proportional to 103,619.48, 142,994.70 and 58,297.48

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Solution

The fourth proportional to 103,619.48, 142,994.70 and 58,297.48 is: 80,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.48 : 142,994.70 = 58,297.48 : x
  2. Step 2: Convert to fraction form
    103,619.48/142,994.70 = 58,297.48/x
  3. Step 3: Cross multiply
    103,619.48x = 142,994.70 × 58,297.48
  4. Step 4: Simplify right side
    103,619.48x = 8,336,230,305.87
  5. Step 5: Solve for x
    x = 8,336,230,305.87/103,619.48
  6. Step 6: Final answer
    x = 80,450.42

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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.