Home / 108,786.51-163,176.35-29,900.06

Finding the Fourth Proportional to 108,786.51, 163,176.35 and 29,900.06

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Solution

The fourth proportional to 108,786.51, 163,176.35 and 29,900.06 is: 44,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,786.51 : 163,176.35 = 29,900.06 : x
  2. Step 2: Convert to fraction form
    108,786.51/163,176.35 = 29,900.06/x
  3. Step 3: Cross multiply
    108,786.51x = 163,176.35 × 29,900.06
  4. Step 4: Simplify right side
    108,786.51x = 4,878,981,690.20
  5. Step 5: Solve for x
    x = 4,878,981,690.20/108,786.51
  6. Step 6: Final answer
    x = 44,849.14

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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.