Home / 66,173.34-99,204.21-28,705.20

Finding the Fourth Proportional to 66,173.34, 99,204.21 and 28,705.20

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Solution

The fourth proportional to 66,173.34, 99,204.21 and 28,705.20 is: 43,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173.34 : 99,204.21 = 28,705.20 : x
  2. Step 2: Convert to fraction form
    66,173.34/99,204.21 = 28,705.20/x
  3. Step 3: Cross multiply
    66,173.34x = 99,204.21 × 28,705.20
  4. Step 4: Simplify right side
    66,173.34x = 2,847,676,688.89
  5. Step 5: Solve for x
    x = 2,847,676,688.89/66,173.34
  6. Step 6: Final answer
    x = 43,033.59

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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.