Home / 83,506.82-125,303.30-39,138.08

Finding the Fourth Proportional to 83,506.82, 125,303.30 and 39,138.08

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Solution

The fourth proportional to 83,506.82, 125,303.30 and 39,138.08 is: 58,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,506.82 : 125,303.30 = 39,138.08 : x
  2. Step 2: Convert to fraction form
    83,506.82/125,303.30 = 39,138.08/x
  3. Step 3: Cross multiply
    83,506.82x = 125,303.30 × 39,138.08
  4. Step 4: Simplify right side
    83,506.82x = 4,904,130,383.97
  5. Step 5: Solve for x
    x = 4,904,130,383.97/83,506.82
  6. Step 6: Final answer
    x = 58,727.30

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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.