Home / 105,840.85-146,059.86-58,095.01

Finding the Fourth Proportional to 105,840.85, 146,059.86 and 58,095.01

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Solution

The fourth proportional to 105,840.85, 146,059.86 and 58,095.01 is: 80,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,840.85 : 146,059.86 = 58,095.01 : x
  2. Step 2: Convert to fraction form
    105,840.85/146,059.86 = 58,095.01/x
  3. Step 3: Cross multiply
    105,840.85x = 146,059.86 × 58,095.01
  4. Step 4: Simplify right side
    105,840.85x = 8,485,349,027.30
  5. Step 5: Solve for x
    x = 8,485,349,027.30/105,840.85
  6. Step 6: Final answer
    x = 80,170.83

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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.