Home / 57,126.80-85,690.20-15,004.10

Finding the Fourth Proportional to 57,126.80, 85,690.20 and 15,004.10

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Solution

The fourth proportional to 57,126.80, 85,690.20 and 15,004.10 is: 22,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.80 : 85,690.20 = 15,004.10 : x
  2. Step 2: Convert to fraction form
    57,126.80/85,690.20 = 15,004.10/x
  3. Step 3: Cross multiply
    57,126.80x = 85,690.20 × 15,004.10
  4. Step 4: Simplify right side
    57,126.80x = 1,285,704,329.82
  5. Step 5: Solve for x
    x = 1,285,704,329.82/57,126.80
  6. Step 6: Final answer
    x = 22,506.15

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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.