Home / 55,670.10-76,821.84-31,792.08

Finding the Fourth Proportional to 55,670.10, 76,821.84 and 31,792.08

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Solution

The fourth proportional to 55,670.10, 76,821.84 and 31,792.08 is: 43,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.10 : 76,821.84 = 31,792.08 : x
  2. Step 2: Convert to fraction form
    55,670.10/76,821.84 = 31,792.08/x
  3. Step 3: Cross multiply
    55,670.10x = 76,821.84 × 31,792.08
  4. Step 4: Simplify right side
    55,670.10x = 2,442,326,083.03
  5. Step 5: Solve for x
    x = 2,442,326,083.03/55,670.10
  6. Step 6: Final answer
    x = 43,871.42

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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.