Home / 61,579.85-84,981.14-36,080.11

Finding the Fourth Proportional to 61,579.85, 84,981.14 and 36,080.11

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Solution

The fourth proportional to 61,579.85, 84,981.14 and 36,080.11 is: 49,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,579.85 : 84,981.14 = 36,080.11 : x
  2. Step 2: Convert to fraction form
    61,579.85/84,981.14 = 36,080.11/x
  3. Step 3: Cross multiply
    61,579.85x = 84,981.14 × 36,080.11
  4. Step 4: Simplify right side
    61,579.85x = 3,066,128,872.60
  5. Step 5: Solve for x
    x = 3,066,128,872.60/61,579.85
  6. Step 6: Final answer
    x = 49,791.11

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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.