Home / 52,697.46-79,077.37-19,440.90

Finding the Fourth Proportional to 52,697.46, 79,077.37 and 19,440.90

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Solution

The fourth proportional to 52,697.46, 79,077.37 and 19,440.90 is: 29,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.46 : 79,077.37 = 19,440.90 : x
  2. Step 2: Convert to fraction form
    52,697.46/79,077.37 = 19,440.90/x
  3. Step 3: Cross multiply
    52,697.46x = 79,077.37 × 19,440.90
  4. Step 4: Simplify right side
    52,697.46x = 1,537,335,242.43
  5. Step 5: Solve for x
    x = 1,537,335,242.43/52,697.46
  6. Step 6: Final answer
    x = 29,172.85

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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.