Home / 76,065.85-104,935.95-49,217.11

Finding the Fourth Proportional to 76,065.85, 104,935.95 and 49,217.11

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Solution

The fourth proportional to 76,065.85, 104,935.95 and 49,217.11 is: 67,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,065.85 : 104,935.95 = 49,217.11 : x
  2. Step 2: Convert to fraction form
    76,065.85/104,935.95 = 49,217.11/x
  3. Step 3: Cross multiply
    76,065.85x = 104,935.95 × 49,217.11
  4. Step 4: Simplify right side
    76,065.85x = 5,164,644,194.10
  5. Step 5: Solve for x
    x = 5,164,644,194.10/76,065.85
  6. Step 6: Final answer
    x = 67,897.02

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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.