Home / 74,233.44-102,440.88-40,698.72

Finding the Fourth Proportional to 74,233.44, 102,440.88 and 40,698.72

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Solution

The fourth proportional to 74,233.44, 102,440.88 and 40,698.72 is: 56,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.44 : 102,440.88 = 40,698.72 : x
  2. Step 2: Convert to fraction form
    74,233.44/102,440.88 = 40,698.72/x
  3. Step 3: Cross multiply
    74,233.44x = 102,440.88 × 40,698.72
  4. Step 4: Simplify right side
    74,233.44x = 4,169,212,691.67
  5. Step 5: Solve for x
    x = 4,169,212,691.67/74,233.44
  6. Step 6: Final answer
    x = 56,163.54

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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.