Home / 75,923.97-113,955.48-38,509.89

Finding the Fourth Proportional to 75,923.97, 113,955.48 and 38,509.89

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Solution

The fourth proportional to 75,923.97, 113,955.48 and 38,509.89 is: 57,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,923.97 : 113,955.48 = 38,509.89 : x
  2. Step 2: Convert to fraction form
    75,923.97/113,955.48 = 38,509.89/x
  3. Step 3: Cross multiply
    75,923.97x = 113,955.48 × 38,509.89
  4. Step 4: Simplify right side
    75,923.97x = 4,388,412,999.70
  5. Step 5: Solve for x
    x = 4,388,412,999.70/75,923.97
  6. Step 6: Final answer
    x = 57,800.10

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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.