Home / 75,936.18-113,918.10-38,005.25

Finding the Fourth Proportional to 75,936.18, 113,918.10 and 38,005.25

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Solution

The fourth proportional to 75,936.18, 113,918.10 and 38,005.25 is: 57,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,936.18 : 113,918.10 = 38,005.25 : x
  2. Step 2: Convert to fraction form
    75,936.18/113,918.10 = 38,005.25/x
  3. Step 3: Cross multiply
    75,936.18x = 113,918.10 × 38,005.25
  4. Step 4: Simplify right side
    75,936.18x = 4,329,485,798.70
  5. Step 5: Solve for x
    x = 4,329,485,798.70/75,936.18
  6. Step 6: Final answer
    x = 57,014.79

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1.5x scale

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.