Home / 102,684.41-154,041.24-31,612.97

Finding the Fourth Proportional to 102,684.41, 154,041.24 and 31,612.97

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Solution

The fourth proportional to 102,684.41, 154,041.24 and 31,612.97 is: 47,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,684.41 : 154,041.24 = 31,612.97 : x
  2. Step 2: Convert to fraction form
    102,684.41/154,041.24 = 31,612.97/x
  3. Step 3: Cross multiply
    102,684.41x = 154,041.24 × 31,612.97
  4. Step 4: Simplify right side
    102,684.41x = 4,869,701,098.88
  5. Step 5: Solve for x
    x = 4,869,701,098.88/102,684.41
  6. Step 6: Final answer
    x = 47,423.96

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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.