Home / 83,678.92-125,518.43-52,536.04

Finding the Fourth Proportional to 83,678.92, 125,518.43 and 52,536.04

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Solution

The fourth proportional to 83,678.92, 125,518.43 and 52,536.04 is: 78,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,678.92 : 125,518.43 = 52,536.04 : x
  2. Step 2: Convert to fraction form
    83,678.92/125,518.43 = 52,536.04/x
  3. Step 3: Cross multiply
    83,678.92x = 125,518.43 × 52,536.04
  4. Step 4: Simplify right side
    83,678.92x = 6,594,241,259.22
  5. Step 5: Solve for x
    x = 6,594,241,259.22/83,678.92
  6. Step 6: Final answer
    x = 78,804.09

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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.