Home / 51,129.07-76,694.40-16,068.74

Finding the Fourth Proportional to 51,129.07, 76,694.40 and 16,068.74

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Solution

The fourth proportional to 51,129.07, 76,694.40 and 16,068.74 is: 24,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.07 : 76,694.40 = 16,068.74 : x
  2. Step 2: Convert to fraction form
    51,129.07/76,694.40 = 16,068.74/x
  3. Step 3: Cross multiply
    51,129.07x = 76,694.40 × 16,068.74
  4. Step 4: Simplify right side
    51,129.07x = 1,232,381,989.58
  5. Step 5: Solve for x
    x = 1,232,381,989.58/51,129.07
  6. Step 6: Final answer
    x = 24,103.35

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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.