Home / 108,806.28-163,110.93-38,669.19

Finding the Fourth Proportional to 108,806.28, 163,110.93 and 38,669.19

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Solution

The fourth proportional to 108,806.28, 163,110.93 and 38,669.19 is: 57,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.28 : 163,110.93 = 38,669.19 : x
  2. Step 2: Convert to fraction form
    108,806.28/163,110.93 = 38,669.19/x
  3. Step 3: Cross multiply
    108,806.28x = 163,110.93 × 38,669.19
  4. Step 4: Simplify right side
    108,806.28x = 6,307,367,543.25
  5. Step 5: Solve for x
    x = 6,307,367,543.25/108,806.28
  6. Step 6: Final answer
    x = 57,968.78

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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.