Home / 93,439.62-139,990.95-51,274.26

Finding the Fourth Proportional to 93,439.62, 139,990.95 and 51,274.26

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Solution

The fourth proportional to 93,439.62, 139,990.95 and 51,274.26 is: 76,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,439.62 : 139,990.95 = 51,274.26 : x
  2. Step 2: Convert to fraction form
    93,439.62/139,990.95 = 51,274.26/x
  3. Step 3: Cross multiply
    93,439.62x = 139,990.95 × 51,274.26
  4. Step 4: Simplify right side
    93,439.62x = 7,177,932,367.95
  5. Step 5: Solve for x
    x = 7,177,932,367.95/93,439.62
  6. Step 6: Final answer
    x = 76,818.94

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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.