Home / 79,085.75-118,628.62-34,712.89

Finding the Fourth Proportional to 79,085.75, 118,628.62 and 34,712.89

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Solution

The fourth proportional to 79,085.75, 118,628.62 and 34,712.89 is: 52,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.75 : 118,628.62 = 34,712.89 : x
  2. Step 2: Convert to fraction form
    79,085.75/118,628.62 = 34,712.89/x
  3. Step 3: Cross multiply
    79,085.75x = 118,628.62 × 34,712.89
  4. Step 4: Simplify right side
    79,085.75x = 4,117,941,730.55
  5. Step 5: Solve for x
    x = 4,117,941,730.55/79,085.75
  6. Step 6: Final answer
    x = 52,069.33

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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.