Home / 57,271.41-85,961.84-35,128.08

Finding the Fourth Proportional to 57,271.41, 85,961.84 and 35,128.08

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Solution

The fourth proportional to 57,271.41, 85,961.84 and 35,128.08 is: 52,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.41 : 85,961.84 = 35,128.08 : x
  2. Step 2: Convert to fraction form
    57,271.41/85,961.84 = 35,128.08/x
  3. Step 3: Cross multiply
    57,271.41x = 85,961.84 × 35,128.08
  4. Step 4: Simplify right side
    57,271.41x = 3,019,674,216.83
  5. Step 5: Solve for x
    x = 3,019,674,216.83/57,271.41
  6. Step 6: Final answer
    x = 52,725.68

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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.