Home / 114,806.20-172,138.86-44,603.56

Finding the Fourth Proportional to 114,806.20, 172,138.86 and 44,603.56

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Solution

The fourth proportional to 114,806.20, 172,138.86 and 44,603.56 is: 66,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,806.20 : 172,138.86 = 44,603.56 : x
  2. Step 2: Convert to fraction form
    114,806.20/172,138.86 = 44,603.56/x
  3. Step 3: Cross multiply
    114,806.20x = 172,138.86 × 44,603.56
  4. Step 4: Simplify right side
    114,806.20x = 7,678,005,970.34
  5. Step 5: Solve for x
    x = 7,678,005,970.34/114,806.20
  6. Step 6: Final answer
    x = 66,877.97

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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.