Home / 84,732.36-126,943.62-39,671.06

Finding the Fourth Proportional to 84,732.36, 126,943.62 and 39,671.06

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Solution

The fourth proportional to 84,732.36, 126,943.62 and 39,671.06 is: 59,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,732.36 : 126,943.62 = 39,671.06 : x
  2. Step 2: Convert to fraction form
    84,732.36/126,943.62 = 39,671.06/x
  3. Step 3: Cross multiply
    84,732.36x = 126,943.62 × 39,671.06
  4. Step 4: Simplify right side
    84,732.36x = 5,035,987,330.92
  5. Step 5: Solve for x
    x = 5,035,987,330.92/84,732.36
  6. Step 6: Final answer
    x = 59,434.05

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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.