Home / 108,929.94-163,375.47-28,968.36

Finding the Fourth Proportional to 108,929.94, 163,375.47 and 28,968.36

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Solution

The fourth proportional to 108,929.94, 163,375.47 and 28,968.36 is: 43,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,929.94 : 163,375.47 = 28,968.36 : x
  2. Step 2: Convert to fraction form
    108,929.94/163,375.47 = 28,968.36/x
  3. Step 3: Cross multiply
    108,929.94x = 163,375.47 × 28,968.36
  4. Step 4: Simplify right side
    108,929.94x = 4,732,719,430.13
  5. Step 5: Solve for x
    x = 4,732,719,430.13/108,929.94
  6. Step 6: Final answer
    x = 43,447.37

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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.