Home / 106,945.09-147,582.43-59,197.41

Finding the Fourth Proportional to 106,945.09, 147,582.43 and 59,197.41

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Solution

The fourth proportional to 106,945.09, 147,582.43 and 59,197.41 is: 81,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.09 : 147,582.43 = 59,197.41 : x
  2. Step 2: Convert to fraction form
    106,945.09/147,582.43 = 59,197.41/x
  3. Step 3: Cross multiply
    106,945.09x = 147,582.43 × 59,197.41
  4. Step 4: Simplify right side
    106,945.09x = 8,736,497,617.51
  5. Step 5: Solve for x
    x = 8,736,497,617.51/106,945.09
  6. Step 6: Final answer
    x = 81,691.43

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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.