Home / 107,185.47-147,917.43-58,791.60

Finding the Fourth Proportional to 107,185.47, 147,917.43 and 58,791.60

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Solution

The fourth proportional to 107,185.47, 147,917.43 and 58,791.60 is: 81,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,185.47 : 147,917.43 = 58,791.60 : x
  2. Step 2: Convert to fraction form
    107,185.47/147,917.43 = 58,791.60/x
  3. Step 3: Cross multiply
    107,185.47x = 147,917.43 × 58,791.60
  4. Step 4: Simplify right side
    107,185.47x = 8,696,302,377.59
  5. Step 5: Solve for x
    x = 8,696,302,377.59/107,185.47
  6. Step 6: Final answer
    x = 81,133.22

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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.