Home / 114,939.33-172,415.47-34,979.90

Finding the Fourth Proportional to 114,939.33, 172,415.47 and 34,979.90

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Solution

The fourth proportional to 114,939.33, 172,415.47 and 34,979.90 is: 52,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,939.33 : 172,415.47 = 34,979.90 : x
  2. Step 2: Convert to fraction form
    114,939.33/172,415.47 = 34,979.90/x
  3. Step 3: Cross multiply
    114,939.33x = 172,415.47 × 34,979.90
  4. Step 4: Simplify right side
    114,939.33x = 6,031,075,036.98
  5. Step 5: Solve for x
    x = 6,031,075,036.98/114,939.33
  6. Step 6: Final answer
    x = 52,471.82

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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.