Home / 106,475.08-147,001.62-74,772.04

Finding the Fourth Proportional to 106,475.08, 147,001.62 and 74,772.04

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Solution

The fourth proportional to 106,475.08, 147,001.62 and 74,772.04 is: 103,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.08 : 147,001.62 = 74,772.04 : x
  2. Step 2: Convert to fraction form
    106,475.08/147,001.62 = 74,772.04/x
  3. Step 3: Cross multiply
    106,475.08x = 147,001.62 × 74,772.04
  4. Step 4: Simplify right side
    106,475.08x = 10,991,611,010.70
  5. Step 5: Solve for x
    x = 10,991,611,010.70/106,475.08
  6. Step 6: Final answer
    x = 103,231.77

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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.