Home / 55,769.20-83,636.04-18,320.58

Finding the Fourth Proportional to 55,769.20, 83,636.04 and 18,320.58

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Solution

The fourth proportional to 55,769.20, 83,636.04 and 18,320.58 is: 27,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.20 : 83,636.04 = 18,320.58 : x
  2. Step 2: Convert to fraction form
    55,769.20/83,636.04 = 18,320.58/x
  3. Step 3: Cross multiply
    55,769.20x = 83,636.04 × 18,320.58
  4. Step 4: Simplify right side
    55,769.20x = 1,532,260,761.70
  5. Step 5: Solve for x
    x = 1,532,260,761.70/55,769.20
  6. Step 6: Final answer
    x = 27,475.04

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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.