Home / 105,981.19-146,251.09-58,234.52

Finding the Fourth Proportional to 105,981.19, 146,251.09 and 58,234.52

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Solution

The fourth proportional to 105,981.19, 146,251.09 and 58,234.52 is: 80,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,981.19 : 146,251.09 = 58,234.52 : x
  2. Step 2: Convert to fraction form
    105,981.19/146,251.09 = 58,234.52/x
  3. Step 3: Cross multiply
    105,981.19x = 146,251.09 × 58,234.52
  4. Step 4: Simplify right side
    105,981.19x = 8,516,862,025.63
  5. Step 5: Solve for x
    x = 8,516,862,025.63/105,981.19
  6. Step 6: Final answer
    x = 80,362.02

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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.