Home / 57,135.56-85,694.88-22,070.84

Finding the Fourth Proportional to 57,135.56, 85,694.88 and 22,070.84

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Solution

The fourth proportional to 57,135.56, 85,694.88 and 22,070.84 is: 33,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.56 : 85,694.88 = 22,070.84 : x
  2. Step 2: Convert to fraction form
    57,135.56/85,694.88 = 22,070.84/x
  3. Step 3: Cross multiply
    57,135.56x = 85,694.88 × 22,070.84
  4. Step 4: Simplify right side
    57,135.56x = 1,891,357,985.30
  5. Step 5: Solve for x
    x = 1,891,357,985.30/57,135.56
  6. Step 6: Final answer
    x = 33,102.99

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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.