Home / 72,923.40-109,433.70-33,460.20

Finding the Fourth Proportional to 72,923.40, 109,433.70 and 33,460.20

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Solution

The fourth proportional to 72,923.40, 109,433.70 and 33,460.20 is: 50,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.40 : 109,433.70 = 33,460.20 : x
  2. Step 2: Convert to fraction form
    72,923.40/109,433.70 = 33,460.20/x
  3. Step 3: Cross multiply
    72,923.40x = 109,433.70 × 33,460.20
  4. Step 4: Simplify right side
    72,923.40x = 3,661,673,488.74
  5. Step 5: Solve for x
    x = 3,661,673,488.74/72,923.40
  6. Step 6: Final answer
    x = 50,212.60

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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.