Home / 66,181.23-99,271.58-28,736.42

Finding the Fourth Proportional to 66,181.23, 99,271.58 and 28,736.42

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Solution

The fourth proportional to 66,181.23, 99,271.58 and 28,736.42 is: 43,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.23 : 99,271.58 = 28,736.42 : x
  2. Step 2: Convert to fraction form
    66,181.23/99,271.58 = 28,736.42/x
  3. Step 3: Cross multiply
    66,181.23x = 99,271.58 × 28,736.42
  4. Step 4: Simplify right side
    66,181.23x = 2,852,709,176.90
  5. Step 5: Solve for x
    x = 2,852,709,176.90/66,181.23
  6. Step 6: Final answer
    x = 43,104.51

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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.