Home / 75,957.09-113,955.16-54,634.37

Finding the Fourth Proportional to 75,957.09, 113,955.16 and 54,634.37

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Solution

The fourth proportional to 75,957.09, 113,955.16 and 54,634.37 is: 81,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,957.09 : 113,955.16 = 54,634.37 : x
  2. Step 2: Convert to fraction form
    75,957.09/113,955.16 = 54,634.37/x
  3. Step 3: Cross multiply
    75,957.09x = 113,955.16 × 54,634.37
  4. Step 4: Simplify right side
    75,957.09x = 6,225,868,101.68
  5. Step 5: Solve for x
    x = 6,225,868,101.68/75,957.09
  6. Step 6: Final answer
    x = 81,965.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.