Home / 51,170.64-70,639.20-36,075.60

Finding the Fourth Proportional to 51,170.64, 70,639.20 and 36,075.60

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Solution

The fourth proportional to 51,170.64, 70,639.20 and 36,075.60 is: 49,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.64 : 70,639.20 = 36,075.60 : x
  2. Step 2: Convert to fraction form
    51,170.64/70,639.20 = 36,075.60/x
  3. Step 3: Cross multiply
    51,170.64x = 70,639.20 × 36,075.60
  4. Step 4: Simplify right side
    51,170.64x = 2,548,351,523.52
  5. Step 5: Solve for x
    x = 2,548,351,523.52/51,170.64
  6. Step 6: Final answer
    x = 49,801.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.