Home / 107,829.52-161,722-28,925.04

Finding the Fourth Proportional to 107,829.52, 161,722 and 28,925.04

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Solution

The fourth proportional to 107,829.52, 161,722 and 28,925.04 is: 43,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,829.52 : 161,722 = 28,925.04 : x
  2. Step 2: Convert to fraction form
    107,829.52/161,722 = 28,925.04/x
  3. Step 3: Cross multiply
    107,829.52x = 161,722 × 28,925.04
  4. Step 4: Simplify right side
    107,829.52x = 4,677,815,318.88
  5. Step 5: Solve for x
    x = 4,677,815,318.88/107,829.52
  6. Step 6: Final answer
    x = 43,381.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.