Home / 61,941.10-85,514.19-40,781.89

Finding the Fourth Proportional to 61,941.10, 85,514.19 and 40,781.89

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Solution

The fourth proportional to 61,941.10, 85,514.19 and 40,781.89 is: 56,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.10 : 85,514.19 = 40,781.89 : x
  2. Step 2: Convert to fraction form
    61,941.10/85,514.19 = 40,781.89/x
  3. Step 3: Cross multiply
    61,941.10x = 85,514.19 × 40,781.89
  4. Step 4: Simplify right side
    61,941.10x = 3,487,430,290.02
  5. Step 5: Solve for x
    x = 3,487,430,290.02/61,941.10
  6. Step 6: Final answer
    x = 56,302.36

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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.