Home / 53,009.96-73,152.30-29,136.64

Finding the Fourth Proportional to 53,009.96, 73,152.30 and 29,136.64

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Solution

The fourth proportional to 53,009.96, 73,152.30 and 29,136.64 is: 40,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.96 : 73,152.30 = 29,136.64 : x
  2. Step 2: Convert to fraction form
    53,009.96/73,152.30 = 29,136.64/x
  3. Step 3: Cross multiply
    53,009.96x = 73,152.30 × 29,136.64
  4. Step 4: Simplify right side
    53,009.96x = 2,131,412,230.27
  5. Step 5: Solve for x
    x = 2,131,412,230.27/53,009.96
  6. Step 6: Final answer
    x = 40,207.77

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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.