Home / 99,928.53-149,907.39-29,798.73

Finding the Fourth Proportional to 99,928.53, 149,907.39 and 29,798.73

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Solution

The fourth proportional to 99,928.53, 149,907.39 and 29,798.73 is: 44,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,928.53 : 149,907.39 = 29,798.73 : x
  2. Step 2: Convert to fraction form
    99,928.53/149,907.39 = 29,798.73/x
  3. Step 3: Cross multiply
    99,928.53x = 149,907.39 × 29,798.73
  4. Step 4: Simplify right side
    99,928.53x = 4,467,049,839.61
  5. Step 5: Solve for x
    x = 4,467,049,839.61/99,928.53
  6. Step 6: Final answer
    x = 44,702.45

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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.