Home / 61,941.23-85,514.36-40,782

Finding the Fourth Proportional to 61,941.23, 85,514.36 and 40,782

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Solution

The fourth proportional to 61,941.23, 85,514.36 and 40,782 is: 56,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.23 : 85,514.36 = 40,782 : x
  2. Step 2: Convert to fraction form
    61,941.23/85,514.36 = 40,782/x
  3. Step 3: Cross multiply
    61,941.23x = 85,514.36 × 40,782
  4. Step 4: Simplify right side
    61,941.23x = 3,487,446,629.52
  5. Step 5: Solve for x
    x = 3,487,446,629.52/61,941.23
  6. Step 6: Final answer
    x = 56,302.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.