Home / 108,316.80-162,401.04-57,723.36

Finding the Fourth Proportional to 108,316.80, 162,401.04 and 57,723.36

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Solution

The fourth proportional to 108,316.80, 162,401.04 and 57,723.36 is: 86,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,316.80 : 162,401.04 = 57,723.36 : x
  2. Step 2: Convert to fraction form
    108,316.80/162,401.04 = 57,723.36/x
  3. Step 3: Cross multiply
    108,316.80x = 162,401.04 × 57,723.36
  4. Step 4: Simplify right side
    108,316.80x = 9,374,333,696.29
  5. Step 5: Solve for x
    x = 9,374,333,696.29/108,316.80
  6. Step 6: Final answer
    x = 86,545.52

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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.