Home / 57,008.72-85,435.32-34,829.84

Finding the Fourth Proportional to 57,008.72, 85,435.32 and 34,829.84

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Solution

The fourth proportional to 57,008.72, 85,435.32 and 34,829.84 is: 52,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.72 : 85,435.32 = 34,829.84 : x
  2. Step 2: Convert to fraction form
    57,008.72/85,435.32 = 34,829.84/x
  3. Step 3: Cross multiply
    57,008.72x = 85,435.32 × 34,829.84
  4. Step 4: Simplify right side
    57,008.72x = 2,975,698,525.95
  5. Step 5: Solve for x
    x = 2,975,698,525.95/57,008.72
  6. Step 6: Final answer
    x = 52,197.25

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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.