Home / 74,622.40-111,933.60-51,002.80

Finding the Fourth Proportional to 74,622.40, 111,933.60 and 51,002.80

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Solution

The fourth proportional to 74,622.40, 111,933.60 and 51,002.80 is: 76,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622.40 : 111,933.60 = 51,002.80 : x
  2. Step 2: Convert to fraction form
    74,622.40/111,933.60 = 51,002.80/x
  3. Step 3: Cross multiply
    74,622.40x = 111,933.60 × 51,002.80
  4. Step 4: Simplify right side
    74,622.40x = 5,708,927,014.08
  5. Step 5: Solve for x
    x = 5,708,927,014.08/74,622.40
  6. Step 6: Final answer
    x = 76,504.20

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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.