Home / 49,137.20-73,705.80-14,080.40

Finding the Fourth Proportional to 49,137.20, 73,705.80 and 14,080.40

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Solution

The fourth proportional to 49,137.20, 73,705.80 and 14,080.40 is: 21,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.20 : 73,705.80 = 14,080.40 : x
  2. Step 2: Convert to fraction form
    49,137.20/73,705.80 = 14,080.40/x
  3. Step 3: Cross multiply
    49,137.20x = 73,705.80 × 14,080.40
  4. Step 4: Simplify right side
    49,137.20x = 1,037,807,146.32
  5. Step 5: Solve for x
    x = 1,037,807,146.32/49,137.20
  6. Step 6: Final answer
    x = 21,120.60

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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.