Home / 105,676.41-145,843.53-60,361.16

Finding the Fourth Proportional to 105,676.41, 145,843.53 and 60,361.16

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Solution

The fourth proportional to 105,676.41, 145,843.53 and 60,361.16 is: 83,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,676.41 : 145,843.53 = 60,361.16 : x
  2. Step 2: Convert to fraction form
    105,676.41/145,843.53 = 60,361.16/x
  3. Step 3: Cross multiply
    105,676.41x = 145,843.53 × 60,361.16
  4. Step 4: Simplify right side
    105,676.41x = 8,803,283,920.08
  5. Step 5: Solve for x
    x = 8,803,283,920.08/105,676.41
  6. Step 6: Final answer
    x = 83,304.15

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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.