Home / 105,895.71-146,137.87-58,153.50

Finding the Fourth Proportional to 105,895.71, 146,137.87 and 58,153.50

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Solution

The fourth proportional to 105,895.71, 146,137.87 and 58,153.50 is: 80,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.71 : 146,137.87 = 58,153.50 : x
  2. Step 2: Convert to fraction form
    105,895.71/146,137.87 = 58,153.50/x
  3. Step 3: Cross multiply
    105,895.71x = 146,137.87 × 58,153.50
  4. Step 4: Simplify right side
    105,895.71x = 8,498,428,477.66
  5. Step 5: Solve for x
    x = 8,498,428,477.66/105,895.71
  6. Step 6: Final answer
    x = 80,252.81

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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.