Home / 52,863.46-79,139.60-35,289.70

Finding the Fourth Proportional to 52,863.46, 79,139.60 and 35,289.70

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Solution

The fourth proportional to 52,863.46, 79,139.60 and 35,289.70 is: 52,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.46 : 79,139.60 = 35,289.70 : x
  2. Step 2: Convert to fraction form
    52,863.46/79,139.60 = 35,289.70/x
  3. Step 3: Cross multiply
    52,863.46x = 79,139.60 × 35,289.70
  4. Step 4: Simplify right side
    52,863.46x = 2,792,812,742.12
  5. Step 5: Solve for x
    x = 2,792,812,742.12/52,863.46
  6. Step 6: Final answer
    x = 52,830.68

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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.