Home / 72,929.99-109,329.33-26,171.93

Finding the Fourth Proportional to 72,929.99, 109,329.33 and 26,171.93

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Solution

The fourth proportional to 72,929.99, 109,329.33 and 26,171.93 is: 39,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929.99 : 109,329.33 = 26,171.93 : x
  2. Step 2: Convert to fraction form
    72,929.99/109,329.33 = 26,171.93/x
  3. Step 3: Cross multiply
    72,929.99x = 109,329.33 × 26,171.93
  4. Step 4: Simplify right side
    72,929.99x = 2,861,359,943.17
  5. Step 5: Solve for x
    x = 2,861,359,943.17/72,929.99
  6. Step 6: Final answer
    x = 39,234.34

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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.