Home / 49,124.84-67,788.63-27,900

Finding the Fourth Proportional to 49,124.84, 67,788.63 and 27,900

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Solution

The fourth proportional to 49,124.84, 67,788.63 and 27,900 is: 38,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,124.84 : 67,788.63 = 27,900 : x
  2. Step 2: Convert to fraction form
    49,124.84/67,788.63 = 27,900/x
  3. Step 3: Cross multiply
    49,124.84x = 67,788.63 × 27,900
  4. Step 4: Simplify right side
    49,124.84x = 1,891,302,777.00
  5. Step 5: Solve for x
    x = 1,891,302,777.00/49,124.84
  6. Step 6: Final answer
    x = 38,499.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.