Home / 54,279.09-81,543.78-52,037.10

Finding the Fourth Proportional to 54,279.09, 81,543.78 and 52,037.10

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Solution

The fourth proportional to 54,279.09, 81,543.78 and 52,037.10 is: 78,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.09 : 81,543.78 = 52,037.10 : x
  2. Step 2: Convert to fraction form
    54,279.09/81,543.78 = 52,037.10/x
  3. Step 3: Cross multiply
    54,279.09x = 81,543.78 × 52,037.10
  4. Step 4: Simplify right side
    54,279.09x = 4,243,301,834.24
  5. Step 5: Solve for x
    x = 4,243,301,834.24/54,279.09
  6. Step 6: Final answer
    x = 78,175.63

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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.