Home / 108,668.04-163,040.63-48,691.80

Finding the Fourth Proportional to 108,668.04, 163,040.63 and 48,691.80

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Solution

The fourth proportional to 108,668.04, 163,040.63 and 48,691.80 is: 73,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,668.04 : 163,040.63 = 48,691.80 : x
  2. Step 2: Convert to fraction form
    108,668.04/163,040.63 = 48,691.80/x
  3. Step 3: Cross multiply
    108,668.04x = 163,040.63 × 48,691.80
  4. Step 4: Simplify right side
    108,668.04x = 7,938,741,504.38
  5. Step 5: Solve for x
    x = 7,938,741,504.38/108,668.04
  6. Step 6: Final answer
    x = 73,054.98

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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.