Home / 108,731.52-163,071.36-29,839.68

Finding the Fourth Proportional to 108,731.52, 163,071.36 and 29,839.68

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Solution

The fourth proportional to 108,731.52, 163,071.36 and 29,839.68 is: 44,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,731.52 : 163,071.36 = 29,839.68 : x
  2. Step 2: Convert to fraction form
    108,731.52/163,071.36 = 29,839.68/x
  3. Step 3: Cross multiply
    108,731.52x = 163,071.36 × 29,839.68
  4. Step 4: Simplify right side
    108,731.52x = 4,865,997,199.56
  5. Step 5: Solve for x
    x = 4,865,997,199.56/108,731.52
  6. Step 6: Final answer
    x = 44,752.41

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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.