Home / 106,007.92-158,949.60-42,830.04

Finding the Fourth Proportional to 106,007.92, 158,949.60 and 42,830.04

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Solution

The fourth proportional to 106,007.92, 158,949.60 and 42,830.04 is: 64,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,007.92 : 158,949.60 = 42,830.04 : x
  2. Step 2: Convert to fraction form
    106,007.92/158,949.60 = 42,830.04/x
  3. Step 3: Cross multiply
    106,007.92x = 158,949.60 × 42,830.04
  4. Step 4: Simplify right side
    106,007.92x = 6,807,817,725.98
  5. Step 5: Solve for x
    x = 6,807,817,725.98/106,007.92
  6. Step 6: Final answer
    x = 64,219.90

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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.