Home / 49,075.20-73,612.80-40,910.40

Finding the Fourth Proportional to 49,075.20, 73,612.80 and 40,910.40

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Solution

The fourth proportional to 49,075.20, 73,612.80 and 40,910.40 is: 61,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,075.20 : 73,612.80 = 40,910.40 : x
  2. Step 2: Convert to fraction form
    49,075.20/73,612.80 = 40,910.40/x
  3. Step 3: Cross multiply
    49,075.20x = 73,612.80 × 40,910.40
  4. Step 4: Simplify right side
    49,075.20x = 3,011,529,093.12
  5. Step 5: Solve for x
    x = 3,011,529,093.12/49,075.20
  6. Step 6: Final answer
    x = 61,365.60

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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.