Home / 99,702.12-149,497.14-33,106.60

Finding the Fourth Proportional to 99,702.12, 149,497.14 and 33,106.60

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Solution

The fourth proportional to 99,702.12, 149,497.14 and 33,106.60 is: 49,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702.12 : 149,497.14 = 33,106.60 : x
  2. Step 2: Convert to fraction form
    99,702.12/149,497.14 = 33,106.60/x
  3. Step 3: Cross multiply
    99,702.12x = 149,497.14 × 33,106.60
  4. Step 4: Simplify right side
    99,702.12x = 4,949,342,015.12
  5. Step 5: Solve for x
    x = 4,949,342,015.12/99,702.12
  6. Step 6: Final answer
    x = 49,641.29

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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.