Home / 103,963.10-155,944.65-61,863.35

Finding the Fourth Proportional to 103,963.10, 155,944.65 and 61,863.35

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Solution

The fourth proportional to 103,963.10, 155,944.65 and 61,863.35 is: 92,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963.10 : 155,944.65 = 61,863.35 : x
  2. Step 2: Convert to fraction form
    103,963.10/155,944.65 = 61,863.35/x
  3. Step 3: Cross multiply
    103,963.10x = 155,944.65 × 61,863.35
  4. Step 4: Simplify right side
    103,963.10x = 9,647,258,463.58
  5. Step 5: Solve for x
    x = 9,647,258,463.58/103,963.10
  6. Step 6: Final answer
    x = 92,795.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.