Home / 108,862.74-163,357.16-45,677.25

Finding the Fourth Proportional to 108,862.74, 163,357.16 and 45,677.25

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Solution

The fourth proportional to 108,862.74, 163,357.16 and 45,677.25 is: 68,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.74 : 163,357.16 = 45,677.25 : x
  2. Step 2: Convert to fraction form
    108,862.74/163,357.16 = 45,677.25/x
  3. Step 3: Cross multiply
    108,862.74x = 163,357.16 × 45,677.25
  4. Step 4: Simplify right side
    108,862.74x = 7,461,705,608.22
  5. Step 5: Solve for x
    x = 7,461,705,608.22/108,862.74
  6. Step 6: Final answer
    x = 68,542.33

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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.