Home / 105,968.51-146,236.43-58,221.74

Finding the Fourth Proportional to 105,968.51, 146,236.43 and 58,221.74

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Solution

The fourth proportional to 105,968.51, 146,236.43 and 58,221.74 is: 80,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,968.51 : 146,236.43 = 58,221.74 : x
  2. Step 2: Convert to fraction form
    105,968.51/146,236.43 = 58,221.74/x
  3. Step 3: Cross multiply
    105,968.51x = 146,236.43 × 58,221.74
  4. Step 4: Simplify right side
    105,968.51x = 8,514,139,114.88
  5. Step 5: Solve for x
    x = 8,514,139,114.88/105,968.51
  6. Step 6: Final answer
    x = 80,345.94

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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.