Home / 83,955.03-125,932.40-57,579.81

Finding the Fourth Proportional to 83,955.03, 125,932.40 and 57,579.81

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Solution

The fourth proportional to 83,955.03, 125,932.40 and 57,579.81 is: 86,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,955.03 : 125,932.40 = 57,579.81 : x
  2. Step 2: Convert to fraction form
    83,955.03/125,932.40 = 57,579.81/x
  3. Step 3: Cross multiply
    83,955.03x = 125,932.40 × 57,579.81
  4. Step 4: Simplify right side
    83,955.03x = 7,251,163,664.84
  5. Step 5: Solve for x
    x = 7,251,163,664.84/83,955.03
  6. Step 6: Final answer
    x = 86,369.62

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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.