Home / 45,880.38-68,774.10-31,090.80

Finding the Fourth Proportional to 45,880.38, 68,774.10 and 31,090.80

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Solution

The fourth proportional to 45,880.38, 68,774.10 and 31,090.80 is: 46,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,880.38 : 68,774.10 = 31,090.80 : x
  2. Step 2: Convert to fraction form
    45,880.38/68,774.10 = 31,090.80/x
  3. Step 3: Cross multiply
    45,880.38x = 68,774.10 × 31,090.80
  4. Step 4: Simplify right side
    45,880.38x = 2,138,241,788.28
  5. Step 5: Solve for x
    x = 2,138,241,788.28/45,880.38
  6. Step 6: Final answer
    x = 46,604.71

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1.5x scale

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.