Home / 55,124.01-82,734.01-31,478.90

Finding the Fourth Proportional to 55,124.01, 82,734.01 and 31,478.90

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Solution

The fourth proportional to 55,124.01, 82,734.01 and 31,478.90 is: 47,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.01 : 82,734.01 = 31,478.90 : x
  2. Step 2: Convert to fraction form
    55,124.01/82,734.01 = 31,478.90/x
  3. Step 3: Cross multiply
    55,124.01x = 82,734.01 × 31,478.90
  4. Step 4: Simplify right side
    55,124.01x = 2,604,375,135.02
  5. Step 5: Solve for x
    x = 2,604,375,135.02/55,124.01
  6. Step 6: Final answer
    x = 47,245.75

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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.