Home / 108,013.04-161,802.49-53,814.35

Finding the Fourth Proportional to 108,013.04, 161,802.49 and 53,814.35

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Solution

The fourth proportional to 108,013.04, 161,802.49 and 53,814.35 is: 80,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,013.04 : 161,802.49 = 53,814.35 : x
  2. Step 2: Convert to fraction form
    108,013.04/161,802.49 = 53,814.35/x
  3. Step 3: Cross multiply
    108,013.04x = 161,802.49 × 53,814.35
  4. Step 4: Simplify right side
    108,013.04x = 8,707,295,827.73
  5. Step 5: Solve for x
    x = 8,707,295,827.73/108,013.04
  6. Step 6: Final answer
    x = 80,613.38

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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.