Home / 107,021.85-147,692.61-58,628.40

Finding the Fourth Proportional to 107,021.85, 147,692.61 and 58,628.40

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Solution

The fourth proportional to 107,021.85, 147,692.61 and 58,628.40 is: 80,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,021.85 : 147,692.61 = 58,628.40 : x
  2. Step 2: Convert to fraction form
    107,021.85/147,692.61 = 58,628.40/x
  3. Step 3: Cross multiply
    107,021.85x = 147,692.61 × 58,628.40
  4. Step 4: Simplify right side
    107,021.85x = 8,658,981,416.12
  5. Step 5: Solve for x
    x = 8,658,981,416.12/107,021.85
  6. Step 6: Final answer
    x = 80,908.54

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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.