Home / 108,468.29-162,640.13-57,804.94

Finding the Fourth Proportional to 108,468.29, 162,640.13 and 57,804.94

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Solution

The fourth proportional to 108,468.29, 162,640.13 and 57,804.94 is: 86,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468.29 : 162,640.13 = 57,804.94 : x
  2. Step 2: Convert to fraction form
    108,468.29/162,640.13 = 57,804.94/x
  3. Step 3: Cross multiply
    108,468.29x = 162,640.13 × 57,804.94
  4. Step 4: Simplify right side
    108,468.29x = 9,401,402,694.15
  5. Step 5: Solve for x
    x = 9,401,402,694.15/108,468.29
  6. Step 6: Final answer
    x = 86,674.21

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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.