Home / 99,914.40-149,929.20-37,629.60

Finding the Fourth Proportional to 99,914.40, 149,929.20 and 37,629.60

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Solution

The fourth proportional to 99,914.40, 149,929.20 and 37,629.60 is: 56,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.40 : 149,929.20 = 37,629.60 : x
  2. Step 2: Convert to fraction form
    99,914.40/149,929.20 = 37,629.60/x
  3. Step 3: Cross multiply
    99,914.40x = 149,929.20 × 37,629.60
  4. Step 4: Simplify right side
    99,914.40x = 5,641,775,824.32
  5. Step 5: Solve for x
    x = 5,641,775,824.32/99,914.40
  6. Step 6: Final answer
    x = 56,466.09

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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.