Home / 109,768.91-151,479.12-62,021.23

Finding the Fourth Proportional to 109,768.91, 151,479.12 and 62,021.23

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Solution

The fourth proportional to 109,768.91, 151,479.12 and 62,021.23 is: 85,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.91 : 151,479.12 = 62,021.23 : x
  2. Step 2: Convert to fraction form
    109,768.91/151,479.12 = 62,021.23/x
  3. Step 3: Cross multiply
    109,768.91x = 151,479.12 × 62,021.23
  4. Step 4: Simplify right side
    109,768.91x = 9,394,920,846.73
  5. Step 5: Solve for x
    x = 9,394,920,846.73/109,768.91
  6. Step 6: Final answer
    x = 85,588.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.