Home / 105,201.92-145,174.58-59,260.65

Finding the Fourth Proportional to 105,201.92, 145,174.58 and 59,260.65

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Solution

The fourth proportional to 105,201.92, 145,174.58 and 59,260.65 is: 81,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.92 : 145,174.58 = 59,260.65 : x
  2. Step 2: Convert to fraction form
    105,201.92/145,174.58 = 59,260.65/x
  3. Step 3: Cross multiply
    105,201.92x = 145,174.58 × 59,260.65
  4. Step 4: Simplify right side
    105,201.92x = 8,603,139,355.80
  5. Step 5: Solve for x
    x = 8,603,139,355.80/105,201.92
  6. Step 6: Final answer
    x = 81,777.40

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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.