Home / 75,391.32-113,083.93-19,232.80

Finding the Fourth Proportional to 75,391.32, 113,083.93 and 19,232.80

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Solution

The fourth proportional to 75,391.32, 113,083.93 and 19,232.80 is: 28,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,391.32 : 113,083.93 = 19,232.80 : x
  2. Step 2: Convert to fraction form
    75,391.32/113,083.93 = 19,232.80/x
  3. Step 3: Cross multiply
    75,391.32x = 113,083.93 × 19,232.80
  4. Step 4: Simplify right side
    75,391.32x = 2,174,920,608.90
  5. Step 5: Solve for x
    x = 2,174,920,608.90/75,391.32
  6. Step 6: Final answer
    x = 28,848.42

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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.