Home / 105,778.37-145,976.92-59,834.30

Finding the Fourth Proportional to 105,778.37, 145,976.92 and 59,834.30

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Solution

The fourth proportional to 105,778.37, 145,976.92 and 59,834.30 is: 82,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.37 : 145,976.92 = 59,834.30 : x
  2. Step 2: Convert to fraction form
    105,778.37/145,976.92 = 59,834.30/x
  3. Step 3: Cross multiply
    105,778.37x = 145,976.92 × 59,834.30
  4. Step 4: Simplify right side
    105,778.37x = 8,734,425,944.89
  5. Step 5: Solve for x
    x = 8,734,425,944.89/105,778.37
  6. Step 6: Final answer
    x = 82,572.89

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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.