Home / 75,402.94-113,104.32-19,243.04

Finding the Fourth Proportional to 75,402.94, 113,104.32 and 19,243.04

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Solution

The fourth proportional to 75,402.94, 113,104.32 and 19,243.04 is: 28,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.94 : 113,104.32 = 19,243.04 : x
  2. Step 2: Convert to fraction form
    75,402.94/113,104.32 = 19,243.04/x
  3. Step 3: Cross multiply
    75,402.94x = 113,104.32 × 19,243.04
  4. Step 4: Simplify right side
    75,402.94x = 2,176,470,953.93
  5. Step 5: Solve for x
    x = 2,176,470,953.93/75,402.94
  6. Step 6: Final answer
    x = 28,864.54

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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.