Home / 51,179.84-76,777.85-15,159.95

Finding the Fourth Proportional to 51,179.84, 76,777.85 and 15,159.95

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Solution

The fourth proportional to 51,179.84, 76,777.85 and 15,159.95 is: 22,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.84 : 76,777.85 = 15,159.95 : x
  2. Step 2: Convert to fraction form
    51,179.84/76,777.85 = 15,159.95/x
  3. Step 3: Cross multiply
    51,179.84x = 76,777.85 × 15,159.95
  4. Step 4: Simplify right side
    51,179.84x = 1,163,948,367.11
  5. Step 5: Solve for x
    x = 1,163,948,367.11/51,179.84
  6. Step 6: Final answer
    x = 22,742.32

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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.