Home / 42,922.60-64,379.58-11,762.44

Finding the Fourth Proportional to 42,922.60, 64,379.58 and 11,762.44

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Solution

The fourth proportional to 42,922.60, 64,379.58 and 11,762.44 is: 17,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.60 : 64,379.58 = 11,762.44 : x
  2. Step 2: Convert to fraction form
    42,922.60/64,379.58 = 11,762.44/x
  3. Step 3: Cross multiply
    42,922.60x = 64,379.58 × 11,762.44
  4. Step 4: Simplify right side
    42,922.60x = 757,260,946.98
  5. Step 5: Solve for x
    x = 757,260,946.98/42,922.60
  6. Step 6: Final answer
    x = 17,642.48

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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.