Home / 76,487.55-114,633.96-43,226.16

Finding the Fourth Proportional to 76,487.55, 114,633.96 and 43,226.16

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Solution

The fourth proportional to 76,487.55, 114,633.96 and 43,226.16 is: 64,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.55 : 114,633.96 = 43,226.16 : x
  2. Step 2: Convert to fraction form
    76,487.55/114,633.96 = 43,226.16/x
  3. Step 3: Cross multiply
    76,487.55x = 114,633.96 × 43,226.16
  4. Step 4: Simplify right side
    76,487.55x = 4,955,185,896.39
  5. Step 5: Solve for x
    x = 4,955,185,896.39/76,487.55
  6. Step 6: Final answer
    x = 64,784.22

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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.