Home / 73,454.45-110,181.69-20,146.98

Finding the Fourth Proportional to 73,454.45, 110,181.69 and 20,146.98

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Solution

The fourth proportional to 73,454.45, 110,181.69 and 20,146.98 is: 30,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,454.45 : 110,181.69 = 20,146.98 : x
  2. Step 2: Convert to fraction form
    73,454.45/110,181.69 = 20,146.98/x
  3. Step 3: Cross multiply
    73,454.45x = 110,181.69 × 20,146.98
  4. Step 4: Simplify right side
    73,454.45x = 2,219,828,154.87
  5. Step 5: Solve for x
    x = 2,219,828,154.87/73,454.45
  6. Step 6: Final answer
    x = 30,220.47

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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.