Home / 103,847.06-156,095.74-68,535.30

Finding the Fourth Proportional to 103,847.06, 156,095.74 and 68,535.30

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Solution

The fourth proportional to 103,847.06, 156,095.74 and 68,535.30 is: 103,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.06 : 156,095.74 = 68,535.30 : x
  2. Step 2: Convert to fraction form
    103,847.06/156,095.74 = 68,535.30/x
  3. Step 3: Cross multiply
    103,847.06x = 156,095.74 × 68,535.30
  4. Step 4: Simplify right side
    103,847.06x = 10,698,068,369.62
  5. Step 5: Solve for x
    x = 10,698,068,369.62/103,847.06
  6. Step 6: Final answer
    x = 103,017.54

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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.