Home / 98,604.04-148,037.44-66,690.32

Finding the Fourth Proportional to 98,604.04, 148,037.44 and 66,690.32

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Solution

The fourth proportional to 98,604.04, 148,037.44 and 66,690.32 is: 100,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,604.04 : 148,037.44 = 66,690.32 : x
  2. Step 2: Convert to fraction form
    98,604.04/148,037.44 = 66,690.32/x
  3. Step 3: Cross multiply
    98,604.04x = 148,037.44 × 66,690.32
  4. Step 4: Simplify right side
    98,604.04x = 9,872,664,245.58
  5. Step 5: Solve for x
    x = 9,872,664,245.58/98,604.04
  6. Step 6: Final answer
    x = 100,124.34

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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.