Home / 124,783.10-187,174.49-30,013.23

Finding the Fourth Proportional to 124,783.10, 187,174.49 and 30,013.23

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Solution

The fourth proportional to 124,783.10, 187,174.49 and 30,013.23 is: 45,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.10 : 187,174.49 = 30,013.23 : x
  2. Step 2: Convert to fraction form
    124,783.10/187,174.49 = 30,013.23/x
  3. Step 3: Cross multiply
    124,783.10x = 187,174.49 × 30,013.23
  4. Step 4: Simplify right side
    124,783.10x = 5,617,710,868.44
  5. Step 5: Solve for x
    x = 5,617,710,868.44/124,783.10
  6. Step 6: Final answer
    x = 45,019.81

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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.