Home / 105,913.41-146,163.05-58,167.79

Finding the Fourth Proportional to 105,913.41, 146,163.05 and 58,167.79

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Solution

The fourth proportional to 105,913.41, 146,163.05 and 58,167.79 is: 80,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.41 : 146,163.05 = 58,167.79 : x
  2. Step 2: Convert to fraction form
    105,913.41/146,163.05 = 58,167.79/x
  3. Step 3: Cross multiply
    105,913.41x = 146,163.05 × 58,167.79
  4. Step 4: Simplify right side
    105,913.41x = 8,501,981,598.16
  5. Step 5: Solve for x
    x = 8,501,981,598.16/105,913.41
  6. Step 6: Final answer
    x = 80,272.95

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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.