Home / 49,559.20-74,338.80-47,809.60

Finding the Fourth Proportional to 49,559.20, 74,338.80 and 47,809.60

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Solution

The fourth proportional to 49,559.20, 74,338.80 and 47,809.60 is: 71,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,559.20 : 74,338.80 = 47,809.60 : x
  2. Step 2: Convert to fraction form
    49,559.20/74,338.80 = 47,809.60/x
  3. Step 3: Cross multiply
    49,559.20x = 74,338.80 × 47,809.60
  4. Step 4: Simplify right side
    49,559.20x = 3,554,108,292.48
  5. Step 5: Solve for x
    x = 3,554,108,292.48/49,559.20
  6. Step 6: Final answer
    x = 71,714.40

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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.