Home / 66,441.96-91,688.46-36,226.14

Finding the Fourth Proportional to 66,441.96, 91,688.46 and 36,226.14

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Solution

The fourth proportional to 66,441.96, 91,688.46 and 36,226.14 is: 49,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.96 : 91,688.46 = 36,226.14 : x
  2. Step 2: Convert to fraction form
    66,441.96/91,688.46 = 36,226.14/x
  3. Step 3: Cross multiply
    66,441.96x = 91,688.46 × 36,226.14
  4. Step 4: Simplify right side
    66,441.96x = 3,321,518,988.34
  5. Step 5: Solve for x
    x = 3,321,518,988.34/66,441.96
  6. Step 6: Final answer
    x = 49,991.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.