Home / 53,997.89-74,519.11-30,129.17

Finding the Fourth Proportional to 53,997.89, 74,519.11 and 30,129.17

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Solution

The fourth proportional to 53,997.89, 74,519.11 and 30,129.17 is: 41,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.89 : 74,519.11 = 30,129.17 : x
  2. Step 2: Convert to fraction form
    53,997.89/74,519.11 = 30,129.17/x
  3. Step 3: Cross multiply
    53,997.89x = 74,519.11 × 30,129.17
  4. Step 4: Simplify right side
    53,997.89x = 2,245,198,683.24
  5. Step 5: Solve for x
    x = 2,245,198,683.24/53,997.89
  6. Step 6: Final answer
    x = 41,579.38

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Double scale
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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.