Home / 71,461.12-107,157.60-32,018.56

Finding the Fourth Proportional to 71,461.12, 107,157.60 and 32,018.56

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Solution

The fourth proportional to 71,461.12, 107,157.60 and 32,018.56 is: 48,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,461.12 : 107,157.60 = 32,018.56 : x
  2. Step 2: Convert to fraction form
    71,461.12/107,157.60 = 32,018.56/x
  3. Step 3: Cross multiply
    71,461.12x = 107,157.60 × 32,018.56
  4. Step 4: Simplify right side
    71,461.12x = 3,431,032,045.06
  5. Step 5: Solve for x
    x = 3,431,032,045.06/71,461.12
  6. Step 6: Final answer
    x = 48,012.57

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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.