Home / 108,511.57-162,636.14-55,892.35

Finding the Fourth Proportional to 108,511.57, 162,636.14 and 55,892.35

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Solution

The fourth proportional to 108,511.57, 162,636.14 and 55,892.35 is: 83,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.57 : 162,636.14 = 55,892.35 : x
  2. Step 2: Convert to fraction form
    108,511.57/162,636.14 = 55,892.35/x
  3. Step 3: Cross multiply
    108,511.57x = 162,636.14 × 55,892.35
  4. Step 4: Simplify right side
    108,511.57x = 9,090,115,780.07
  5. Step 5: Solve for x
    x = 9,090,115,780.07/108,511.57
  6. Step 6: Final answer
    x = 83,770.94

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1.5x scale

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.