Home / 55,121.10-82,681.65-28,833.90

Finding the Fourth Proportional to 55,121.10, 82,681.65 and 28,833.90

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Solution

The fourth proportional to 55,121.10, 82,681.65 and 28,833.90 is: 43,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.10 : 82,681.65 = 28,833.90 : x
  2. Step 2: Convert to fraction form
    55,121.10/82,681.65 = 28,833.90/x
  3. Step 3: Cross multiply
    55,121.10x = 82,681.65 × 28,833.90
  4. Step 4: Simplify right side
    55,121.10x = 2,384,034,427.94
  5. Step 5: Solve for x
    x = 2,384,034,427.94/55,121.10
  6. Step 6: Final answer
    x = 43,250.85

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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.