Home / 51,068.40-76,549.77-19,469.96

Finding the Fourth Proportional to 51,068.40, 76,549.77 and 19,469.96

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Solution

The fourth proportional to 51,068.40, 76,549.77 and 19,469.96 is: 29,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.40 : 76,549.77 = 19,469.96 : x
  2. Step 2: Convert to fraction form
    51,068.40/76,549.77 = 19,469.96/x
  3. Step 3: Cross multiply
    51,068.40x = 76,549.77 × 19,469.96
  4. Step 4: Simplify right side
    51,068.40x = 1,490,420,959.91
  5. Step 5: Solve for x
    x = 1,490,420,959.91/51,068.40
  6. Step 6: Final answer
    x = 29,184.80

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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.