Home / 172,947.50-259,429.20-52,995.86

Finding the Fourth Proportional to 172,947.50, 259,429.20 and 52,995.86

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Solution

The fourth proportional to 172,947.50, 259,429.20 and 52,995.86 is: 79,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,947.50 : 259,429.20 = 52,995.86 : x
  2. Step 2: Convert to fraction form
    172,947.50/259,429.20 = 52,995.86/x
  3. Step 3: Cross multiply
    172,947.50x = 259,429.20 × 52,995.86
  4. Step 4: Simplify right side
    172,947.50x = 13,748,673,563.11
  5. Step 5: Solve for x
    x = 13,748,673,563.11/172,947.50
  6. Step 6: Final answer
    x = 79,496.23

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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.