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Finding the Fourth Proportional to 101,603.79, 152,504.09 and 49,050.18

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Solution

The fourth proportional to 101,603.79, 152,504.09 and 49,050.18 is: 73,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,603.79 : 152,504.09 = 49,050.18 : x
  2. Step 2: Convert to fraction form
    101,603.79/152,504.09 = 49,050.18/x
  3. Step 3: Cross multiply
    101,603.79x = 152,504.09 × 49,050.18
  4. Step 4: Simplify right side
    101,603.79x = 7,480,352,819.99
  5. Step 5: Solve for x
    x = 7,480,352,819.99/101,603.79
  6. Step 6: Final answer
    x = 73,622.77

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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.