Home / 74,612.90-111,919.35-73,835.30

Finding the Fourth Proportional to 74,612.90, 111,919.35 and 73,835.30

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Solution

The fourth proportional to 74,612.90, 111,919.35 and 73,835.30 is: 110,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,612.90 : 111,919.35 = 73,835.30 : x
  2. Step 2: Convert to fraction form
    74,612.90/111,919.35 = 73,835.30/x
  3. Step 3: Cross multiply
    74,612.90x = 111,919.35 × 73,835.30
  4. Step 4: Simplify right side
    74,612.90x = 8,263,598,783.06
  5. Step 5: Solve for x
    x = 8,263,598,783.06/74,612.90
  6. Step 6: Final answer
    x = 110,752.95

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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.