Home / 65,725.10-98,660.55-50,999.30

Finding the Fourth Proportional to 65,725.10, 98,660.55 and 50,999.30

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Solution

The fourth proportional to 65,725.10, 98,660.55 and 50,999.30 is: 76,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.10 : 98,660.55 = 50,999.30 : x
  2. Step 2: Convert to fraction form
    65,725.10/98,660.55 = 50,999.30/x
  3. Step 3: Cross multiply
    65,725.10x = 98,660.55 × 50,999.30
  4. Step 4: Simplify right side
    65,725.10x = 5,031,618,987.62
  5. Step 5: Solve for x
    x = 5,031,618,987.62/65,725.10
  6. Step 6: Final answer
    x = 76,555.52

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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.