Home / 83,979.41-125,673.14-52,404.34

Finding the Fourth Proportional to 83,979.41, 125,673.14 and 52,404.34

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Solution

The fourth proportional to 83,979.41, 125,673.14 and 52,404.34 is: 78,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.41 : 125,673.14 = 52,404.34 : x
  2. Step 2: Convert to fraction form
    83,979.41/125,673.14 = 52,404.34/x
  3. Step 3: Cross multiply
    83,979.41x = 125,673.14 × 52,404.34
  4. Step 4: Simplify right side
    83,979.41x = 6,585,817,957.43
  5. Step 5: Solve for x
    x = 6,585,817,957.43/83,979.41
  6. Step 6: Final answer
    x = 78,421.82

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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.