Home / 73,890.20-110,849.70-29,509.40

Finding the Fourth Proportional to 73,890.20, 110,849.70 and 29,509.40

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Solution

The fourth proportional to 73,890.20, 110,849.70 and 29,509.40 is: 44,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,890.20 : 110,849.70 = 29,509.40 : x
  2. Step 2: Convert to fraction form
    73,890.20/110,849.70 = 29,509.40/x
  3. Step 3: Cross multiply
    73,890.20x = 110,849.70 × 29,509.40
  4. Step 4: Simplify right side
    73,890.20x = 3,271,108,137.18
  5. Step 5: Solve for x
    x = 3,271,108,137.18/73,890.20
  6. Step 6: Final answer
    x = 44,269.85

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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.