Home / 46,085.82-69,165.65-21,137.63

Finding the Fourth Proportional to 46,085.82, 69,165.65 and 21,137.63

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Solution

The fourth proportional to 46,085.82, 69,165.65 and 21,137.63 is: 31,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,085.82 : 69,165.65 = 21,137.63 : x
  2. Step 2: Convert to fraction form
    46,085.82/69,165.65 = 21,137.63/x
  3. Step 3: Cross multiply
    46,085.82x = 69,165.65 × 21,137.63
  4. Step 4: Simplify right side
    46,085.82x = 1,461,997,466.89
  5. Step 5: Solve for x
    x = 1,461,997,466.89/46,085.82
  6. Step 6: Final answer
    x = 31,723.37

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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.