Home / 75,402.05-113,056.64-25,477.43

Finding the Fourth Proportional to 75,402.05, 113,056.64 and 25,477.43

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Solution

The fourth proportional to 75,402.05, 113,056.64 and 25,477.43 is: 38,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.05 : 113,056.64 = 25,477.43 : x
  2. Step 2: Convert to fraction form
    75,402.05/113,056.64 = 25,477.43/x
  3. Step 3: Cross multiply
    75,402.05x = 113,056.64 × 25,477.43
  4. Step 4: Simplify right side
    75,402.05x = 2,880,392,504.25
  5. Step 5: Solve for x
    x = 2,880,392,504.25/75,402.05
  6. Step 6: Final answer
    x = 38,200.45

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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.