Home / 108,541.80-162,812.70-29,653.20

Finding the Fourth Proportional to 108,541.80, 162,812.70 and 29,653.20

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Solution

The fourth proportional to 108,541.80, 162,812.70 and 29,653.20 is: 44,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.80 : 162,812.70 = 29,653.20 : x
  2. Step 2: Convert to fraction form
    108,541.80/162,812.70 = 29,653.20/x
  3. Step 3: Cross multiply
    108,541.80x = 162,812.70 × 29,653.20
  4. Step 4: Simplify right side
    108,541.80x = 4,827,917,555.64
  5. Step 5: Solve for x
    x = 4,827,917,555.64/108,541.80
  6. Step 6: Final answer
    x = 44,479.80

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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.