Home / 105,981.08-146,253.84-58,237.50

Finding the Fourth Proportional to 105,981.08, 146,253.84 and 58,237.50

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Solution

The fourth proportional to 105,981.08, 146,253.84 and 58,237.50 is: 80,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,981.08 : 146,253.84 = 58,237.50 : x
  2. Step 2: Convert to fraction form
    105,981.08/146,253.84 = 58,237.50/x
  3. Step 3: Cross multiply
    105,981.08x = 146,253.84 × 58,237.50
  4. Step 4: Simplify right side
    105,981.08x = 8,517,458,007
  5. Step 5: Solve for x
    x = 8,517,458,007/105,981.08
  6. Step 6: Final answer
    x = 80,367.73

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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.