Home / 96,705.70-145,058.14-54,566.60

Finding the Fourth Proportional to 96,705.70, 145,058.14 and 54,566.60

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Solution

The fourth proportional to 96,705.70, 145,058.14 and 54,566.60 is: 81,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,705.70 : 145,058.14 = 54,566.60 : x
  2. Step 2: Convert to fraction form
    96,705.70/145,058.14 = 54,566.60/x
  3. Step 3: Cross multiply
    96,705.70x = 145,058.14 × 54,566.60
  4. Step 4: Simplify right side
    96,705.70x = 7,915,328,845.04
  5. Step 5: Solve for x
    x = 7,915,328,845.04/96,705.70
  6. Step 6: Final answer
    x = 81,849.66

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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.