Home / 74,844.60-112,266.90-67,932.60

Finding the Fourth Proportional to 74,844.60, 112,266.90 and 67,932.60

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Solution

The fourth proportional to 74,844.60, 112,266.90 and 67,932.60 is: 101,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.60 : 112,266.90 = 67,932.60 : x
  2. Step 2: Convert to fraction form
    74,844.60/112,266.90 = 67,932.60/x
  3. Step 3: Cross multiply
    74,844.60x = 112,266.90 × 67,932.60
  4. Step 4: Simplify right side
    74,844.60x = 7,626,582,410.94
  5. Step 5: Solve for x
    x = 7,626,582,410.94/74,844.60
  6. Step 6: Final answer
    x = 101,898.90

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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.