Home / 106,682.49-147,226.05-61,360.43

Finding the Fourth Proportional to 106,682.49, 147,226.05 and 61,360.43

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Solution

The fourth proportional to 106,682.49, 147,226.05 and 61,360.43 is: 84,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,682.49 : 147,226.05 = 61,360.43 : x
  2. Step 2: Convert to fraction form
    106,682.49/147,226.05 = 61,360.43/x
  3. Step 3: Cross multiply
    106,682.49x = 147,226.05 × 61,360.43
  4. Step 4: Simplify right side
    106,682.49x = 9,033,852,999.07
  5. Step 5: Solve for x
    x = 9,033,852,999.07/106,682.49
  6. Step 6: Final answer
    x = 84,679.81

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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.