Home / 108,583.40-162,899.40-42,017.60

Finding the Fourth Proportional to 108,583.40, 162,899.40 and 42,017.60

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Solution

The fourth proportional to 108,583.40, 162,899.40 and 42,017.60 is: 63,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,583.40 : 162,899.40 = 42,017.60 : x
  2. Step 2: Convert to fraction form
    108,583.40/162,899.40 = 42,017.60/x
  3. Step 3: Cross multiply
    108,583.40x = 162,899.40 × 42,017.60
  4. Step 4: Simplify right side
    108,583.40x = 6,844,641,829.44
  5. Step 5: Solve for x
    x = 6,844,641,829.44/108,583.40
  6. Step 6: Final answer
    x = 63,035.80

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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.