Home / 51,419.19-76,915.49-48,269.91

Finding the Fourth Proportional to 51,419.19, 76,915.49 and 48,269.91

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Solution

The fourth proportional to 51,419.19, 76,915.49 and 48,269.91 is: 72,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419.19 : 76,915.49 = 48,269.91 : x
  2. Step 2: Convert to fraction form
    51,419.19/76,915.49 = 48,269.91/x
  3. Step 3: Cross multiply
    51,419.19x = 76,915.49 × 48,269.91
  4. Step 4: Simplify right side
    51,419.19x = 3,712,703,538.56
  5. Step 5: Solve for x
    x = 3,712,703,538.56/51,419.19
  6. Step 6: Final answer
    x = 72,204.63

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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.