Home / 106,996.12-147,642.04-61,673.56

Finding the Fourth Proportional to 106,996.12, 147,642.04 and 61,673.56

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Solution

The fourth proportional to 106,996.12, 147,642.04 and 61,673.56 is: 85,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,996.12 : 147,642.04 = 61,673.56 : x
  2. Step 2: Convert to fraction form
    106,996.12/147,642.04 = 61,673.56/x
  3. Step 3: Cross multiply
    106,996.12x = 147,642.04 × 61,673.56
  4. Step 4: Simplify right side
    106,996.12x = 9,105,610,212.46
  5. Step 5: Solve for x
    x = 9,105,610,212.46/106,996.12
  6. Step 6: Final answer
    x = 85,102.25

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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.