Home / 82,986.60-124,496.10-33,058.20

Finding the Fourth Proportional to 82,986.60, 124,496.10 and 33,058.20

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Solution

The fourth proportional to 82,986.60, 124,496.10 and 33,058.20 is: 49,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.60 : 124,496.10 = 33,058.20 : x
  2. Step 2: Convert to fraction form
    82,986.60/124,496.10 = 33,058.20/x
  3. Step 3: Cross multiply
    82,986.60x = 124,496.10 × 33,058.20
  4. Step 4: Simplify right side
    82,986.60x = 4,115,616,973.02
  5. Step 5: Solve for x
    x = 4,115,616,973.02/82,986.60
  6. Step 6: Final answer
    x = 49,593.75

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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.