Home / 56,660.28-85,000.14-17,221.38

Finding the Fourth Proportional to 56,660.28, 85,000.14 and 17,221.38

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Solution

The fourth proportional to 56,660.28, 85,000.14 and 17,221.38 is: 25,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.28 : 85,000.14 = 17,221.38 : x
  2. Step 2: Convert to fraction form
    56,660.28/85,000.14 = 17,221.38/x
  3. Step 3: Cross multiply
    56,660.28x = 85,000.14 × 17,221.38
  4. Step 4: Simplify right side
    56,660.28x = 1,463,819,710.99
  5. Step 5: Solve for x
    x = 1,463,819,710.99/56,660.28
  6. Step 6: Final answer
    x = 25,835.02

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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.