Home / 52,880.45-79,214.92-31,808.84

Finding the Fourth Proportional to 52,880.45, 79,214.92 and 31,808.84

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Solution

The fourth proportional to 52,880.45, 79,214.92 and 31,808.84 is: 47,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.45 : 79,214.92 = 31,808.84 : x
  2. Step 2: Convert to fraction form
    52,880.45/79,214.92 = 31,808.84/x
  3. Step 3: Cross multiply
    52,880.45x = 79,214.92 × 31,808.84
  4. Step 4: Simplify right side
    52,880.45x = 2,519,734,240.30
  5. Step 5: Solve for x
    x = 2,519,734,240.30/52,880.45
  6. Step 6: Final answer
    x = 47,649.64

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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.