Home / 49,338.60-74,007.90-47,370.30

Finding the Fourth Proportional to 49,338.60, 74,007.90 and 47,370.30

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Solution

The fourth proportional to 49,338.60, 74,007.90 and 47,370.30 is: 71,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338.60 : 74,007.90 = 47,370.30 : x
  2. Step 2: Convert to fraction form
    49,338.60/74,007.90 = 47,370.30/x
  3. Step 3: Cross multiply
    49,338.60x = 74,007.90 × 47,370.30
  4. Step 4: Simplify right side
    49,338.60x = 3,505,776,425.37
  5. Step 5: Solve for x
    x = 3,505,776,425.37/49,338.60
  6. Step 6: Final answer
    x = 71,055.45

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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.