Home / 58,662.90-81,001.41-54,185.04

Finding the Fourth Proportional to 58,662.90, 81,001.41 and 54,185.04

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Solution

The fourth proportional to 58,662.90, 81,001.41 and 54,185.04 is: 74,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662.90 : 81,001.41 = 54,185.04 : x
  2. Step 2: Convert to fraction form
    58,662.90/81,001.41 = 54,185.04/x
  3. Step 3: Cross multiply
    58,662.90x = 81,001.41 × 54,185.04
  4. Step 4: Simplify right side
    58,662.90x = 4,389,064,640.91
  5. Step 5: Solve for x
    x = 4,389,064,640.91/58,662.90
  6. Step 6: Final answer
    x = 74,818.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.