Home / 75,636.64-113,428.51-22,314.46

Finding the Fourth Proportional to 75,636.64, 113,428.51 and 22,314.46

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Solution

The fourth proportional to 75,636.64, 113,428.51 and 22,314.46 is: 33,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.64 : 113,428.51 = 22,314.46 : x
  2. Step 2: Convert to fraction form
    75,636.64/113,428.51 = 22,314.46/x
  3. Step 3: Cross multiply
    75,636.64x = 113,428.51 × 22,314.46
  4. Step 4: Simplify right side
    75,636.64x = 2,531,095,609.90
  5. Step 5: Solve for x
    x = 2,531,095,609.90/75,636.64
  6. Step 6: Final answer
    x = 33,463.88

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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.