Home / 75,072.42-103,596.51-43,245.90

Finding the Fourth Proportional to 75,072.42, 103,596.51 and 43,245.90

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Solution

The fourth proportional to 75,072.42, 103,596.51 and 43,245.90 is: 59,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.42 : 103,596.51 = 43,245.90 : x
  2. Step 2: Convert to fraction form
    75,072.42/103,596.51 = 43,245.90/x
  3. Step 3: Cross multiply
    75,072.42x = 103,596.51 × 43,245.90
  4. Step 4: Simplify right side
    75,072.42x = 4,480,124,311.81
  5. Step 5: Solve for x
    x = 4,480,124,311.81/75,072.42
  6. Step 6: Final answer
    x = 59,677.37

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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.