Home / 92,012.42-126,968.40-53,780.94

Finding the Fourth Proportional to 92,012.42, 126,968.40 and 53,780.94

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Solution

The fourth proportional to 92,012.42, 126,968.40 and 53,780.94 is: 74,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.42 : 126,968.40 = 53,780.94 : x
  2. Step 2: Convert to fraction form
    92,012.42/126,968.40 = 53,780.94/x
  3. Step 3: Cross multiply
    92,012.42x = 126,968.40 × 53,780.94
  4. Step 4: Simplify right side
    92,012.42x = 6,828,479,902.30
  5. Step 5: Solve for x
    x = 6,828,479,902.30/92,012.42
  6. Step 6: Final answer
    x = 74,212.59

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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.