Home / 108,690.66-163,036.08-29,805.48

Finding the Fourth Proportional to 108,690.66, 163,036.08 and 29,805.48

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Solution

The fourth proportional to 108,690.66, 163,036.08 and 29,805.48 is: 44,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,690.66 : 163,036.08 = 29,805.48 : x
  2. Step 2: Convert to fraction form
    108,690.66/163,036.08 = 29,805.48/x
  3. Step 3: Cross multiply
    108,690.66x = 163,036.08 × 29,805.48
  4. Step 4: Simplify right side
    108,690.66x = 4,859,368,621.72
  5. Step 5: Solve for x
    x = 4,859,368,621.72/108,690.66
  6. Step 6: Final answer
    x = 44,708.24

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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.