Home / 84,004.20-125,747.10-48,839.40

Finding the Fourth Proportional to 84,004.20, 125,747.10 and 48,839.40

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Solution

The fourth proportional to 84,004.20, 125,747.10 and 48,839.40 is: 73,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.20 : 125,747.10 = 48,839.40 : x
  2. Step 2: Convert to fraction form
    84,004.20/125,747.10 = 48,839.40/x
  3. Step 3: Cross multiply
    84,004.20x = 125,747.10 × 48,839.40
  4. Step 4: Simplify right side
    84,004.20x = 6,141,412,915.74
  5. Step 5: Solve for x
    x = 6,141,412,915.74/84,004.20
  6. Step 6: Final answer
    x = 73,108.40

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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.