Home / 99,469.35-149,205.58-55,376.35

Finding the Fourth Proportional to 99,469.35, 149,205.58 and 55,376.35

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Solution

The fourth proportional to 99,469.35, 149,205.58 and 55,376.35 is: 83,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469.35 : 149,205.58 = 55,376.35 : x
  2. Step 2: Convert to fraction form
    99,469.35/149,205.58 = 55,376.35/x
  3. Step 3: Cross multiply
    99,469.35x = 149,205.58 × 55,376.35
  4. Step 4: Simplify right side
    99,469.35x = 8,262,459,908.58
  5. Step 5: Solve for x
    x = 8,262,459,908.58/99,469.35
  6. Step 6: Final answer
    x = 83,065.39

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1.5x scale

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.