Home / 75,619.10-113,428.65-26,371.10

Finding the Fourth Proportional to 75,619.10, 113,428.65 and 26,371.10

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Solution

The fourth proportional to 75,619.10, 113,428.65 and 26,371.10 is: 39,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.10 : 113,428.65 = 26,371.10 : x
  2. Step 2: Convert to fraction form
    75,619.10/113,428.65 = 26,371.10/x
  3. Step 3: Cross multiply
    75,619.10x = 113,428.65 × 26,371.10
  4. Step 4: Simplify right side
    75,619.10x = 2,991,238,272.02
  5. Step 5: Solve for x
    x = 2,991,238,272.02/75,619.10
  6. Step 6: Final answer
    x = 39,556.65

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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.