Home / 108,424.20-162,506.70-55,806.60

Finding the Fourth Proportional to 108,424.20, 162,506.70 and 55,806.60

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Solution

The fourth proportional to 108,424.20, 162,506.70 and 55,806.60 is: 83,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,424.20 : 162,506.70 = 55,806.60 : x
  2. Step 2: Convert to fraction form
    108,424.20/162,506.70 = 55,806.60/x
  3. Step 3: Cross multiply
    108,424.20x = 162,506.70 × 55,806.60
  4. Step 4: Simplify right side
    108,424.20x = 9,068,946,404.22
  5. Step 5: Solve for x
    x = 9,068,946,404.22/108,424.20
  6. Step 6: Final answer
    x = 83,643.19

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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.