Home / 83,546.91-125,369.64-39,174.03

Finding the Fourth Proportional to 83,546.91, 125,369.64 and 39,174.03

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Solution

The fourth proportional to 83,546.91, 125,369.64 and 39,174.03 is: 58,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,546.91 : 125,369.64 = 39,174.03 : x
  2. Step 2: Convert to fraction form
    83,546.91/125,369.64 = 39,174.03/x
  3. Step 3: Cross multiply
    83,546.91x = 125,369.64 × 39,174.03
  4. Step 4: Simplify right side
    83,546.91x = 4,911,234,038.45
  5. Step 5: Solve for x
    x = 4,911,234,038.45/83,546.91
  6. Step 6: Final answer
    x = 58,784.15

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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.