Home / 51,015.90-76,523.85-47,711.10

Finding the Fourth Proportional to 51,015.90, 76,523.85 and 47,711.10

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Solution

The fourth proportional to 51,015.90, 76,523.85 and 47,711.10 is: 71,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.90 : 76,523.85 = 47,711.10 : x
  2. Step 2: Convert to fraction form
    51,015.90/76,523.85 = 47,711.10/x
  3. Step 3: Cross multiply
    51,015.90x = 76,523.85 × 47,711.10
  4. Step 4: Simplify right side
    51,015.90x = 3,651,037,059.74
  5. Step 5: Solve for x
    x = 3,651,037,059.74/51,015.90
  6. Step 6: Final answer
    x = 71,566.65

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Similar ratio
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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.