Home / 102,837.21-141,914.94-57,515.01

Finding the Fourth Proportional to 102,837.21, 141,914.94 and 57,515.01

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Solution

The fourth proportional to 102,837.21, 141,914.94 and 57,515.01 is: 79,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,837.21 : 141,914.94 = 57,515.01 : x
  2. Step 2: Convert to fraction form
    102,837.21/141,914.94 = 57,515.01/x
  3. Step 3: Cross multiply
    102,837.21x = 141,914.94 × 57,515.01
  4. Step 4: Simplify right side
    102,837.21x = 8,162,239,193.25
  5. Step 5: Solve for x
    x = 8,162,239,193.25/102,837.21
  6. Step 6: Final answer
    x = 79,370.48

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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.