Home / 172,935.50-259,411.21-52,983.86

Finding the Fourth Proportional to 172,935.50, 259,411.21 and 52,983.86

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Solution

The fourth proportional to 172,935.50, 259,411.21 and 52,983.86 is: 79,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.50 : 259,411.21 = 52,983.86 : x
  2. Step 2: Convert to fraction form
    172,935.50/259,411.21 = 52,983.86/x
  3. Step 3: Cross multiply
    172,935.50x = 259,411.21 × 52,983.86
  4. Step 4: Simplify right side
    172,935.50x = 13,744,607,749.14
  5. Step 5: Solve for x
    x = 13,744,607,749.14/172,935.50
  6. Step 6: Final answer
    x = 79,478.23

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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.