Home / 51,385.20-77,068.08-16,325.20

Finding the Fourth Proportional to 51,385.20, 77,068.08 and 16,325.20

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Solution

The fourth proportional to 51,385.20, 77,068.08 and 16,325.20 is: 24,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.20 : 77,068.08 = 16,325.20 : x
  2. Step 2: Convert to fraction form
    51,385.20/77,068.08 = 16,325.20/x
  3. Step 3: Cross multiply
    51,385.20x = 77,068.08 × 16,325.20
  4. Step 4: Simplify right side
    51,385.20x = 1,258,151,819.62
  5. Step 5: Solve for x
    x = 1,258,151,819.62/51,385.20
  6. Step 6: Final answer
    x = 24,484.71

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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.