Home / 108,096.50-149,161.02-62,768.90

Finding the Fourth Proportional to 108,096.50, 149,161.02 and 62,768.90

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Solution

The fourth proportional to 108,096.50, 149,161.02 and 62,768.90 is: 86,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,096.50 : 149,161.02 = 62,768.90 : x
  2. Step 2: Convert to fraction form
    108,096.50/149,161.02 = 62,768.90/x
  3. Step 3: Cross multiply
    108,096.50x = 149,161.02 × 62,768.90
  4. Step 4: Simplify right side
    108,096.50x = 9,362,673,148.28
  5. Step 5: Solve for x
    x = 9,362,673,148.28/108,096.50
  6. Step 6: Final answer
    x = 86,614.03

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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.