Home / 114,939.54-172,415.79-34,980.12

Finding the Fourth Proportional to 114,939.54, 172,415.79 and 34,980.12

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Solution

The fourth proportional to 114,939.54, 172,415.79 and 34,980.12 is: 52,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,939.54 : 172,415.79 = 34,980.12 : x
  2. Step 2: Convert to fraction form
    114,939.54/172,415.79 = 34,980.12/x
  3. Step 3: Cross multiply
    114,939.54x = 172,415.79 × 34,980.12
  4. Step 4: Simplify right side
    114,939.54x = 6,031,125,024.09
  5. Step 5: Solve for x
    x = 6,031,125,024.09/114,939.54
  6. Step 6: Final answer
    x = 52,472.15

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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.