Home / 55,706.10-83,559.15-51,429.30

Finding the Fourth Proportional to 55,706.10, 83,559.15 and 51,429.30

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Solution

The fourth proportional to 55,706.10, 83,559.15 and 51,429.30 is: 77,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,706.10 : 83,559.15 = 51,429.30 : x
  2. Step 2: Convert to fraction form
    55,706.10/83,559.15 = 51,429.30/x
  3. Step 3: Cross multiply
    55,706.10x = 83,559.15 × 51,429.30
  4. Step 4: Simplify right side
    55,706.10x = 4,297,388,593.10
  5. Step 5: Solve for x
    x = 4,297,388,593.10/55,706.10
  6. Step 6: Final answer
    x = 77,143.95

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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.