Home / 108,372.96-162,582-38,302.56

Finding the Fourth Proportional to 108,372.96, 162,582 and 38,302.56

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Solution

The fourth proportional to 108,372.96, 162,582 and 38,302.56 is: 57,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372.96 : 162,582 = 38,302.56 : x
  2. Step 2: Convert to fraction form
    108,372.96/162,582 = 38,302.56/x
  3. Step 3: Cross multiply
    108,372.96x = 162,582 × 38,302.56
  4. Step 4: Simplify right side
    108,372.96x = 6,227,306,809.92
  5. Step 5: Solve for x
    x = 6,227,306,809.92/108,372.96
  6. Step 6: Final answer
    x = 57,461.81

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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.