Home / 88,705.35-133,058.03-82,830.15

Finding the Fourth Proportional to 88,705.35, 133,058.03 and 82,830.15

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Solution

The fourth proportional to 88,705.35, 133,058.03 and 82,830.15 is: 124,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.35 : 133,058.03 = 82,830.15 : x
  2. Step 2: Convert to fraction form
    88,705.35/133,058.03 = 82,830.15/x
  3. Step 3: Cross multiply
    88,705.35x = 133,058.03 × 82,830.15
  4. Step 4: Simplify right side
    88,705.35x = 11,021,216,169.45
  5. Step 5: Solve for x
    x = 11,021,216,169.45/88,705.35
  6. Step 6: Final answer
    x = 124,245.23

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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.