Home / 108,576.30-162,806.85-38,457.90

Finding the Fourth Proportional to 108,576.30, 162,806.85 and 38,457.90

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Solution

The fourth proportional to 108,576.30, 162,806.85 and 38,457.90 is: 57,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,576.30 : 162,806.85 = 38,457.90 : x
  2. Step 2: Convert to fraction form
    108,576.30/162,806.85 = 38,457.90/x
  3. Step 3: Cross multiply
    108,576.30x = 162,806.85 × 38,457.90
  4. Step 4: Simplify right side
    108,576.30x = 6,261,209,556.62
  5. Step 5: Solve for x
    x = 6,261,209,556.62/108,576.30
  6. Step 6: Final answer
    x = 57,666.45

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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.