Home / 105,982.74-146,256.14-58,239.16

Finding the Fourth Proportional to 105,982.74, 146,256.14 and 58,239.16

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Solution

The fourth proportional to 105,982.74, 146,256.14 and 58,239.16 is: 80,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,982.74 : 146,256.14 = 58,239.16 : x
  2. Step 2: Convert to fraction form
    105,982.74/146,256.14 = 58,239.16/x
  3. Step 3: Cross multiply
    105,982.74x = 146,256.14 × 58,239.16
  4. Step 4: Simplify right side
    105,982.74x = 8,517,835,341.09
  5. Step 5: Solve for x
    x = 8,517,835,341.09/105,982.74
  6. Step 6: Final answer
    x = 80,370.02

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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.