Home / 66,153.76-99,181.42-28,706.85

Finding the Fourth Proportional to 66,153.76, 99,181.42 and 28,706.85

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Solution

The fourth proportional to 66,153.76, 99,181.42 and 28,706.85 is: 43,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.76 : 99,181.42 = 28,706.85 : x
  2. Step 2: Convert to fraction form
    66,153.76/99,181.42 = 28,706.85/x
  3. Step 3: Cross multiply
    66,153.76x = 99,181.42 × 28,706.85
  4. Step 4: Simplify right side
    66,153.76x = 2,847,186,146.73
  5. Step 5: Solve for x
    x = 2,847,186,146.73/66,153.76
  6. Step 6: Final answer
    x = 43,038.92

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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.