Home / 108,934.08-163,396.56-30,046.20

Finding the Fourth Proportional to 108,934.08, 163,396.56 and 30,046.20

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Solution

The fourth proportional to 108,934.08, 163,396.56 and 30,046.20 is: 45,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.08 : 163,396.56 = 30,046.20 : x
  2. Step 2: Convert to fraction form
    108,934.08/163,396.56 = 30,046.20/x
  3. Step 3: Cross multiply
    108,934.08x = 163,396.56 × 30,046.20
  4. Step 4: Simplify right side
    108,934.08x = 4,909,445,721.07
  5. Step 5: Solve for x
    x = 4,909,445,721.07/108,934.08
  6. Step 6: Final answer
    x = 45,068.04

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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.