Home / 106,849.30-147,497.40-66,582.94

Finding the Fourth Proportional to 106,849.30, 147,497.40 and 66,582.94

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Solution

The fourth proportional to 106,849.30, 147,497.40 and 66,582.94 is: 91,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,849.30 : 147,497.40 = 66,582.94 : x
  2. Step 2: Convert to fraction form
    106,849.30/147,497.40 = 66,582.94/x
  3. Step 3: Cross multiply
    106,849.30x = 147,497.40 × 66,582.94
  4. Step 4: Simplify right side
    106,849.30x = 9,820,810,534.36
  5. Step 5: Solve for x
    x = 9,820,810,534.36/106,849.30
  6. Step 6: Final answer
    x = 91,912.73

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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.