Home / 79,098.22-118,638.54-19,933.88

Finding the Fourth Proportional to 79,098.22, 118,638.54 and 19,933.88

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Solution

The fourth proportional to 79,098.22, 118,638.54 and 19,933.88 is: 29,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.22 : 118,638.54 = 19,933.88 : x
  2. Step 2: Convert to fraction form
    79,098.22/118,638.54 = 19,933.88/x
  3. Step 3: Cross multiply
    79,098.22x = 118,638.54 × 19,933.88
  4. Step 4: Simplify right side
    79,098.22x = 2,364,926,419.74
  5. Step 5: Solve for x
    x = 2,364,926,419.74/79,098.22
  6. Step 6: Final answer
    x = 29,898.60

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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.