Home / 106,259.63-146,638.29-58,512.87

Finding the Fourth Proportional to 106,259.63, 146,638.29 and 58,512.87

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Solution

The fourth proportional to 106,259.63, 146,638.29 and 58,512.87 is: 80,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,259.63 : 146,638.29 = 58,512.87 : x
  2. Step 2: Convert to fraction form
    106,259.63/146,638.29 = 58,512.87/x
  3. Step 3: Cross multiply
    106,259.63x = 146,638.29 × 58,512.87
  4. Step 4: Simplify right side
    106,259.63x = 8,580,227,199.79
  5. Step 5: Solve for x
    x = 8,580,227,199.79/106,259.63
  6. Step 6: Final answer
    x = 80,747.76

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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.