Home / 43,136.30-64,707.48-11,546.30

Finding the Fourth Proportional to 43,136.30, 64,707.48 and 11,546.30

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Solution

The fourth proportional to 43,136.30, 64,707.48 and 11,546.30 is: 17,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.30 : 64,707.48 = 11,546.30 : x
  2. Step 2: Convert to fraction form
    43,136.30/64,707.48 = 11,546.30/x
  3. Step 3: Cross multiply
    43,136.30x = 64,707.48 × 11,546.30
  4. Step 4: Simplify right side
    43,136.30x = 747,131,652.79
  5. Step 5: Solve for x
    x = 747,131,652.79/43,136.30
  6. Step 6: Final answer
    x = 17,320.26

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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.