Home / 86,628.70-129,951.56-36,017.27

Finding the Fourth Proportional to 86,628.70, 129,951.56 and 36,017.27

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Solution

The fourth proportional to 86,628.70, 129,951.56 and 36,017.27 is: 54,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.70 : 129,951.56 = 36,017.27 : x
  2. Step 2: Convert to fraction form
    86,628.70/129,951.56 = 36,017.27/x
  3. Step 3: Cross multiply
    86,628.70x = 129,951.56 × 36,017.27
  4. Step 4: Simplify right side
    86,628.70x = 4,680,500,243.35
  5. Step 5: Solve for x
    x = 4,680,500,243.35/86,628.70
  6. Step 6: Final answer
    x = 54,029.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.