Home / 106,650.38-147,177.06-58,903.50

Finding the Fourth Proportional to 106,650.38, 147,177.06 and 58,903.50

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Solution

The fourth proportional to 106,650.38, 147,177.06 and 58,903.50 is: 81,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650.38 : 147,177.06 = 58,903.50 : x
  2. Step 2: Convert to fraction form
    106,650.38/147,177.06 = 58,903.50/x
  3. Step 3: Cross multiply
    106,650.38x = 147,177.06 × 58,903.50
  4. Step 4: Simplify right side
    106,650.38x = 8,669,243,953.71
  5. Step 5: Solve for x
    x = 8,669,243,953.71/106,650.38
  6. Step 6: Final answer
    x = 81,286.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.