Home / 93,036.28-139,576.20-30,706.72

Finding the Fourth Proportional to 93,036.28, 139,576.20 and 30,706.72

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Solution

The fourth proportional to 93,036.28, 139,576.20 and 30,706.72 is: 46,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.28 : 139,576.20 = 30,706.72 : x
  2. Step 2: Convert to fraction form
    93,036.28/139,576.20 = 30,706.72/x
  3. Step 3: Cross multiply
    93,036.28x = 139,576.20 × 30,706.72
  4. Step 4: Simplify right side
    93,036.28x = 4,285,927,292.06
  5. Step 5: Solve for x
    x = 4,285,927,292.06/93,036.28
  6. Step 6: Final answer
    x = 46,067.27

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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.