Home / 55,566.09-76,680.42-31,693.16

Finding the Fourth Proportional to 55,566.09, 76,680.42 and 31,693.16

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Solution

The fourth proportional to 55,566.09, 76,680.42 and 31,693.16 is: 43,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566.09 : 76,680.42 = 31,693.16 : x
  2. Step 2: Convert to fraction form
    55,566.09/76,680.42 = 31,693.16/x
  3. Step 3: Cross multiply
    55,566.09x = 76,680.42 × 31,693.16
  4. Step 4: Simplify right side
    55,566.09x = 2,430,244,892.78
  5. Step 5: Solve for x
    x = 2,430,244,892.78/55,566.09
  6. Step 6: Final answer
    x = 43,736.11

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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.