Home / 57,103.06-85,660.29-19,658.18

Finding the Fourth Proportional to 57,103.06, 85,660.29 and 19,658.18

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Solution

The fourth proportional to 57,103.06, 85,660.29 and 19,658.18 is: 29,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.06 : 85,660.29 = 19,658.18 : x
  2. Step 2: Convert to fraction form
    57,103.06/85,660.29 = 19,658.18/x
  3. Step 3: Cross multiply
    57,103.06x = 85,660.29 × 19,658.18
  4. Step 4: Simplify right side
    57,103.06x = 1,683,925,399.67
  5. Step 5: Solve for x
    x = 1,683,925,399.67/57,103.06
  6. Step 6: Final answer
    x = 29,489.23

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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.