Home / 55,694.46-76,858.47-31,821.08

Finding the Fourth Proportional to 55,694.46, 76,858.47 and 31,821.08

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Solution

The fourth proportional to 55,694.46, 76,858.47 and 31,821.08 is: 43,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.46 : 76,858.47 = 31,821.08 : x
  2. Step 2: Convert to fraction form
    55,694.46/76,858.47 = 31,821.08/x
  3. Step 3: Cross multiply
    55,694.46x = 76,858.47 × 31,821.08
  4. Step 4: Simplify right side
    55,694.46x = 2,445,719,354.42
  5. Step 5: Solve for x
    x = 2,445,719,354.42/55,694.46
  6. Step 6: Final answer
    x = 43,913.15

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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.