Home / 106,430.09-146,871.29-58,683.56

Finding the Fourth Proportional to 106,430.09, 146,871.29 and 58,683.56

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Solution

The fourth proportional to 106,430.09, 146,871.29 and 58,683.56 is: 80,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.09 : 146,871.29 = 58,683.56 : x
  2. Step 2: Convert to fraction form
    106,430.09/146,871.29 = 58,683.56/x
  3. Step 3: Cross multiply
    106,430.09x = 146,871.29 × 58,683.56
  4. Step 4: Simplify right side
    106,430.09x = 8,618,929,571.34
  5. Step 5: Solve for x
    x = 8,618,929,571.34/106,430.09
  6. Step 6: Final answer
    x = 80,982.08

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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.