Home / 106,619.18-147,133.49-58,871.48

Finding the Fourth Proportional to 106,619.18, 147,133.49 and 58,871.48

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Solution

The fourth proportional to 106,619.18, 147,133.49 and 58,871.48 is: 81,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,619.18 : 147,133.49 = 58,871.48 : x
  2. Step 2: Convert to fraction form
    106,619.18/147,133.49 = 58,871.48/x
  3. Step 3: Cross multiply
    106,619.18x = 147,133.49 × 58,871.48
  4. Step 4: Simplify right side
    106,619.18x = 8,661,965,283.84
  5. Step 5: Solve for x
    x = 8,661,965,283.84/106,619.18
  6. Step 6: Final answer
    x = 81,242.10

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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.