Home / 51,113.60-76,670.40-48,883.20

Finding the Fourth Proportional to 51,113.60, 76,670.40 and 48,883.20

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Solution

The fourth proportional to 51,113.60, 76,670.40 and 48,883.20 is: 73,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.60 : 76,670.40 = 48,883.20 : x
  2. Step 2: Convert to fraction form
    51,113.60/76,670.40 = 48,883.20/x
  3. Step 3: Cross multiply
    51,113.60x = 76,670.40 × 48,883.20
  4. Step 4: Simplify right side
    51,113.60x = 3,747,894,497.28
  5. Step 5: Solve for x
    x = 3,747,894,497.28/51,113.60
  6. Step 6: Final answer
    x = 73,324.80

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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.