Home / 75,621.72-113,493.06-34,071.96

Finding the Fourth Proportional to 75,621.72, 113,493.06 and 34,071.96

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Solution

The fourth proportional to 75,621.72, 113,493.06 and 34,071.96 is: 51,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.72 : 113,493.06 = 34,071.96 : x
  2. Step 2: Convert to fraction form
    75,621.72/113,493.06 = 34,071.96/x
  3. Step 3: Cross multiply
    75,621.72x = 113,493.06 × 34,071.96
  4. Step 4: Simplify right side
    75,621.72x = 3,866,931,000.60
  5. Step 5: Solve for x
    x = 3,866,931,000.60/75,621.72
  6. Step 6: Final answer
    x = 51,135.19

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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.