Home / 49,501.20-74,251.80-47,751.60

Finding the Fourth Proportional to 49,501.20, 74,251.80 and 47,751.60

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Solution

The fourth proportional to 49,501.20, 74,251.80 and 47,751.60 is: 71,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,501.20 : 74,251.80 = 47,751.60 : x
  2. Step 2: Convert to fraction form
    49,501.20/74,251.80 = 47,751.60/x
  3. Step 3: Cross multiply
    49,501.20x = 74,251.80 × 47,751.60
  4. Step 4: Simplify right side
    49,501.20x = 3,545,642,252.88
  5. Step 5: Solve for x
    x = 3,545,642,252.88/49,501.20
  6. Step 6: Final answer
    x = 71,627.40

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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.