Home / 66,157.41-99,236.11-26,742.20

Finding the Fourth Proportional to 66,157.41, 99,236.11 and 26,742.20

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Solution

The fourth proportional to 66,157.41, 99,236.11 and 26,742.20 is: 40,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.41 : 99,236.11 = 26,742.20 : x
  2. Step 2: Convert to fraction form
    66,157.41/99,236.11 = 26,742.20/x
  3. Step 3: Cross multiply
    66,157.41x = 99,236.11 × 26,742.20
  4. Step 4: Simplify right side
    66,157.41x = 2,653,792,021.36
  5. Step 5: Solve for x
    x = 2,653,792,021.36/66,157.41
  6. Step 6: Final answer
    x = 40,113.30

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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.