Home / 102,629.48-141,628.26-57,917.16

Finding the Fourth Proportional to 102,629.48, 141,628.26 and 57,917.16

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Solution

The fourth proportional to 102,629.48, 141,628.26 and 57,917.16 is: 79,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,629.48 : 141,628.26 = 57,917.16 : x
  2. Step 2: Convert to fraction form
    102,629.48/141,628.26 = 57,917.16/x
  3. Step 3: Cross multiply
    102,629.48x = 141,628.26 × 57,917.16
  4. Step 4: Simplify right side
    102,629.48x = 8,202,706,594.94
  5. Step 5: Solve for x
    x = 8,202,706,594.94/102,629.48
  6. Step 6: Final answer
    x = 79,925.44

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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.