Home / 75,427.50-104,089.71-41,435.91

Finding the Fourth Proportional to 75,427.50, 104,089.71 and 41,435.91

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Solution

The fourth proportional to 75,427.50, 104,089.71 and 41,435.91 is: 57,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.50 : 104,089.71 = 41,435.91 : x
  2. Step 2: Convert to fraction form
    75,427.50/104,089.71 = 41,435.91/x
  3. Step 3: Cross multiply
    75,427.50x = 104,089.71 × 41,435.91
  4. Step 4: Simplify right side
    75,427.50x = 4,313,051,855.49
  5. Step 5: Solve for x
    x = 4,313,051,855.49/75,427.50
  6. Step 6: Final answer
    x = 57,181.42

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1.5x scale

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.