Home / 105,840.40-146,055.16-58,094.56

Finding the Fourth Proportional to 105,840.40, 146,055.16 and 58,094.56

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Solution

The fourth proportional to 105,840.40, 146,055.16 and 58,094.56 is: 80,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,840.40 : 146,055.16 = 58,094.56 : x
  2. Step 2: Convert to fraction form
    105,840.40/146,055.16 = 58,094.56/x
  3. Step 3: Cross multiply
    105,840.40x = 146,055.16 × 58,094.56
  4. Step 4: Simplify right side
    105,840.40x = 8,485,010,255.93
  5. Step 5: Solve for x
    x = 8,485,010,255.93/105,840.40
  6. Step 6: Final answer
    x = 80,167.97

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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.