Home / 109,962.72-151,747.92-59,660.64

Finding the Fourth Proportional to 109,962.72, 151,747.92 and 59,660.64

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Solution

The fourth proportional to 109,962.72, 151,747.92 and 59,660.64 is: 82,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.72 : 151,747.92 = 59,660.64 : x
  2. Step 2: Convert to fraction form
    109,962.72/151,747.92 = 59,660.64/x
  3. Step 3: Cross multiply
    109,962.72x = 151,747.92 × 59,660.64
  4. Step 4: Simplify right side
    109,962.72x = 9,053,378,025.87
  5. Step 5: Solve for x
    x = 9,053,378,025.87/109,962.72
  6. Step 6: Final answer
    x = 82,331.34

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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.