Home / 105,766.56-145,951.07-58,009.77

Finding the Fourth Proportional to 105,766.56, 145,951.07 and 58,009.77

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Solution

The fourth proportional to 105,766.56, 145,951.07 and 58,009.77 is: 80,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,766.56 : 145,951.07 = 58,009.77 : x
  2. Step 2: Convert to fraction form
    105,766.56/145,951.07 = 58,009.77/x
  3. Step 3: Cross multiply
    105,766.56x = 145,951.07 × 58,009.77
  4. Step 4: Simplify right side
    105,766.56x = 8,466,587,711.91
  5. Step 5: Solve for x
    x = 8,466,587,711.91/105,766.56
  6. Step 6: Final answer
    x = 80,049.76

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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.