Home / 108,487.02-149,704.02-63,165.36

Finding the Fourth Proportional to 108,487.02, 149,704.02 and 63,165.36

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Solution

The fourth proportional to 108,487.02, 149,704.02 and 63,165.36 is: 87,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,487.02 : 149,704.02 = 63,165.36 : x
  2. Step 2: Convert to fraction form
    108,487.02/149,704.02 = 63,165.36/x
  3. Step 3: Cross multiply
    108,487.02x = 149,704.02 × 63,165.36
  4. Step 4: Simplify right side
    108,487.02x = 9,456,108,316.75
  5. Step 5: Solve for x
    x = 9,456,108,316.75/108,487.02
  6. Step 6: Final answer
    x = 87,163.50

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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.