Home / 108,486.04-162,755.05-45,271.00

Finding the Fourth Proportional to 108,486.04, 162,755.05 and 45,271.00

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Solution

The fourth proportional to 108,486.04, 162,755.05 and 45,271.00 is: 67,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486.04 : 162,755.05 = 45,271.00 : x
  2. Step 2: Convert to fraction form
    108,486.04/162,755.05 = 45,271.00/x
  3. Step 3: Cross multiply
    108,486.04x = 162,755.05 × 45,271.00
  4. Step 4: Simplify right side
    108,486.04x = 7,368,083,916.37
  5. Step 5: Solve for x
    x = 7,368,083,916.37/108,486.04
  6. Step 6: Final answer
    x = 67,917.34

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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.