Home / 103,629.19-143,007.56-58,917.19

Finding the Fourth Proportional to 103,629.19, 143,007.56 and 58,917.19

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Solution

The fourth proportional to 103,629.19, 143,007.56 and 58,917.19 is: 81,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.19 : 143,007.56 = 58,917.19 : x
  2. Step 2: Convert to fraction form
    103,629.19/143,007.56 = 58,917.19/x
  3. Step 3: Cross multiply
    103,629.19x = 143,007.56 × 58,917.19
  4. Step 4: Simplify right side
    103,629.19x = 8,425,603,583.96
  5. Step 5: Solve for x
    x = 8,425,603,583.96/103,629.19
  6. Step 6: Final answer
    x = 81,305.31

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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.