Home / 79,035.18-118,584.81-34,638.54

Finding the Fourth Proportional to 79,035.18, 118,584.81 and 34,638.54

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Solution

The fourth proportional to 79,035.18, 118,584.81 and 34,638.54 is: 51,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.18 : 118,584.81 = 34,638.54 : x
  2. Step 2: Convert to fraction form
    79,035.18/118,584.81 = 34,638.54/x
  3. Step 3: Cross multiply
    79,035.18x = 118,584.81 × 34,638.54
  4. Step 4: Simplify right side
    79,035.18x = 4,107,604,684.58
  5. Step 5: Solve for x
    x = 4,107,604,684.58/79,035.18
  6. Step 6: Final answer
    x = 51,971.85

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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.