Home / 79,225.21-118,757.85-49,663.80

Finding the Fourth Proportional to 79,225.21, 118,757.85 and 49,663.80

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Solution

The fourth proportional to 79,225.21, 118,757.85 and 49,663.80 is: 74,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.21 : 118,757.85 = 49,663.80 : x
  2. Step 2: Convert to fraction form
    79,225.21/118,757.85 = 49,663.80/x
  3. Step 3: Cross multiply
    79,225.21x = 118,757.85 × 49,663.80
  4. Step 4: Simplify right side
    79,225.21x = 5,897,966,110.83
  5. Step 5: Solve for x
    x = 5,897,966,110.83/79,225.21
  6. Step 6: Final answer
    x = 74,445.57

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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.