Home / 102,581.64-141,546.69-57,257.28

Finding the Fourth Proportional to 102,581.64, 141,546.69 and 57,257.28

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Solution

The fourth proportional to 102,581.64, 141,546.69 and 57,257.28 is: 79,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581.64 : 141,546.69 = 57,257.28 : x
  2. Step 2: Convert to fraction form
    102,581.64/141,546.69 = 57,257.28/x
  3. Step 3: Cross multiply
    102,581.64x = 141,546.69 × 57,257.28
  4. Step 4: Simplify right side
    102,581.64x = 8,104,578,462.40
  5. Step 5: Solve for x
    x = 8,104,578,462.40/102,581.64
  6. Step 6: Final answer
    x = 79,006.13

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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.