Home / 54,970.36-75,860.79-31,096.55

Finding the Fourth Proportional to 54,970.36, 75,860.79 and 31,096.55

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Solution

The fourth proportional to 54,970.36, 75,860.79 and 31,096.55 is: 42,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.36 : 75,860.79 = 31,096.55 : x
  2. Step 2: Convert to fraction form
    54,970.36/75,860.79 = 31,096.55/x
  3. Step 3: Cross multiply
    54,970.36x = 75,860.79 × 31,096.55
  4. Step 4: Simplify right side
    54,970.36x = 2,359,008,922.31
  5. Step 5: Solve for x
    x = 2,359,008,922.31/54,970.36
  6. Step 6: Final answer
    x = 42,914.20

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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.