Home / 122,972.87-184,512.90-43,068.15

Finding the Fourth Proportional to 122,972.87, 184,512.90 and 43,068.15

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Solution

The fourth proportional to 122,972.87, 184,512.90 and 43,068.15 is: 64,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,972.87 : 184,512.90 = 43,068.15 : x
  2. Step 2: Convert to fraction form
    122,972.87/184,512.90 = 43,068.15/x
  3. Step 3: Cross multiply
    122,972.87x = 184,512.90 × 43,068.15
  4. Step 4: Simplify right side
    122,972.87x = 7,946,629,946.06
  5. Step 5: Solve for x
    x = 7,946,629,946.06/122,972.87
  6. Step 6: Final answer
    x = 64,621.00

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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.