Home / 51,137.19-70,591.10-34,379.91

Finding the Fourth Proportional to 51,137.19, 70,591.10 and 34,379.91

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Solution

The fourth proportional to 51,137.19, 70,591.10 and 34,379.91 is: 47,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,137.19 : 70,591.10 = 34,379.91 : x
  2. Step 2: Convert to fraction form
    51,137.19/70,591.10 = 34,379.91/x
  3. Step 3: Cross multiply
    51,137.19x = 70,591.10 × 34,379.91
  4. Step 4: Simplify right side
    51,137.19x = 2,426,915,492.90
  5. Step 5: Solve for x
    x = 2,426,915,492.90/51,137.19
  6. Step 6: Final answer
    x = 47,458.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.