Home / 83,979.55-125,968.54-34,047.77

Finding the Fourth Proportional to 83,979.55, 125,968.54 and 34,047.77

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Solution

The fourth proportional to 83,979.55, 125,968.54 and 34,047.77 is: 51,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.55 : 125,968.54 = 34,047.77 : x
  2. Step 2: Convert to fraction form
    83,979.55/125,968.54 = 34,047.77/x
  3. Step 3: Cross multiply
    83,979.55x = 125,968.54 × 34,047.77
  4. Step 4: Simplify right side
    83,979.55x = 4,288,948,396.01
  5. Step 5: Solve for x
    x = 4,288,948,396.01/83,979.55
  6. Step 6: Final answer
    x = 51,071.34

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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.