Home / 106,525.96-147,000.90-61,172.04

Finding the Fourth Proportional to 106,525.96, 147,000.90 and 61,172.04

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Solution

The fourth proportional to 106,525.96, 147,000.90 and 61,172.04 is: 84,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525.96 : 147,000.90 = 61,172.04 : x
  2. Step 2: Convert to fraction form
    106,525.96/147,000.90 = 61,172.04/x
  3. Step 3: Cross multiply
    106,525.96x = 147,000.90 × 61,172.04
  4. Step 4: Simplify right side
    106,525.96x = 8,992,344,934.84
  5. Step 5: Solve for x
    x = 8,992,344,934.84/106,525.96
  6. Step 6: Final answer
    x = 84,414.59

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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.