Home / 104,579.29-156,870.96-34,459.21

Finding the Fourth Proportional to 104,579.29, 156,870.96 and 34,459.21

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Solution

The fourth proportional to 104,579.29, 156,870.96 and 34,459.21 is: 51,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.29 : 156,870.96 = 34,459.21 : x
  2. Step 2: Convert to fraction form
    104,579.29/156,870.96 = 34,459.21/x
  3. Step 3: Cross multiply
    104,579.29x = 156,870.96 × 34,459.21
  4. Step 4: Simplify right side
    104,579.29x = 5,405,649,353.54
  5. Step 5: Solve for x
    x = 5,405,649,353.54/104,579.29
  6. Step 6: Final answer
    x = 51,689.48

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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.