Home / 108,476.29-162,653.50-74,320.62

Finding the Fourth Proportional to 108,476.29, 162,653.50 and 74,320.62

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Solution

The fourth proportional to 108,476.29, 162,653.50 and 74,320.62 is: 111,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.29 : 162,653.50 = 74,320.62 : x
  2. Step 2: Convert to fraction form
    108,476.29/162,653.50 = 74,320.62/x
  3. Step 3: Cross multiply
    108,476.29x = 162,653.50 × 74,320.62
  4. Step 4: Simplify right side
    108,476.29x = 12,088,508,448.12
  5. Step 5: Solve for x
    x = 12,088,508,448.12/108,476.29
  6. Step 6: Final answer
    x = 111,439.18

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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.