Home / 109,435.80-151,021.52-59,134.80

Finding the Fourth Proportional to 109,435.80, 151,021.52 and 59,134.80

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Solution

The fourth proportional to 109,435.80, 151,021.52 and 59,134.80 is: 81,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,435.80 : 151,021.52 = 59,134.80 : x
  2. Step 2: Convert to fraction form
    109,435.80/151,021.52 = 59,134.80/x
  3. Step 3: Cross multiply
    109,435.80x = 151,021.52 × 59,134.80
  4. Step 4: Simplify right side
    109,435.80x = 8,930,627,380.90
  5. Step 5: Solve for x
    x = 8,930,627,380.90/109,435.80
  6. Step 6: Final answer
    x = 81,606.09

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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.