Home / 76,425.68-114,661.56-23,840.72

Finding the Fourth Proportional to 76,425.68, 114,661.56 and 23,840.72

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Solution

The fourth proportional to 76,425.68, 114,661.56 and 23,840.72 is: 35,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,425.68 : 114,661.56 = 23,840.72 : x
  2. Step 2: Convert to fraction form
    76,425.68/114,661.56 = 23,840.72/x
  3. Step 3: Cross multiply
    76,425.68x = 114,661.56 × 23,840.72
  4. Step 4: Simplify right side
    76,425.68x = 2,733,614,146.72
  5. Step 5: Solve for x
    x = 2,733,614,146.72/76,425.68
  6. Step 6: Final answer
    x = 35,768.27

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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.