Home / 69,173.37-103,744.46-45,150.11

Finding the Fourth Proportional to 69,173.37, 103,744.46 and 45,150.11

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Solution

The fourth proportional to 69,173.37, 103,744.46 and 45,150.11 is: 67,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,173.37 : 103,744.46 = 45,150.11 : x
  2. Step 2: Convert to fraction form
    69,173.37/103,744.46 = 45,150.11/x
  3. Step 3: Cross multiply
    69,173.37x = 103,744.46 × 45,150.11
  4. Step 4: Simplify right side
    69,173.37x = 4,684,073,036.42
  5. Step 5: Solve for x
    x = 4,684,073,036.42/69,173.37
  6. Step 6: Final answer
    x = 67,714.98

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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.