Home / 102,608.55-141,599.43-57,286.14

Finding the Fourth Proportional to 102,608.55, 141,599.43 and 57,286.14

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Solution

The fourth proportional to 102,608.55, 141,599.43 and 57,286.14 is: 79,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,608.55 : 141,599.43 = 57,286.14 : x
  2. Step 2: Convert to fraction form
    102,608.55/141,599.43 = 57,286.14/x
  3. Step 3: Cross multiply
    102,608.55x = 141,599.43 × 57,286.14
  4. Step 4: Simplify right side
    102,608.55x = 8,111,684,788.63
  5. Step 5: Solve for x
    x = 8,111,684,788.63/102,608.55
  6. Step 6: Final answer
    x = 79,054.66

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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.