Home / 53,172.72-73,375.52-29,298.80

Finding the Fourth Proportional to 53,172.72, 73,375.52 and 29,298.80

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Solution

The fourth proportional to 53,172.72, 73,375.52 and 29,298.80 is: 40,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.72 : 73,375.52 = 29,298.80 : x
  2. Step 2: Convert to fraction form
    53,172.72/73,375.52 = 29,298.80/x
  3. Step 3: Cross multiply
    53,172.72x = 73,375.52 × 29,298.80
  4. Step 4: Simplify right side
    53,172.72x = 2,149,814,685.38
  5. Step 5: Solve for x
    x = 2,149,814,685.38/53,172.72
  6. Step 6: Final answer
    x = 40,430.78

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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.