Home / 108,555.71-162,838.11-29,669.70

Finding the Fourth Proportional to 108,555.71, 162,838.11 and 29,669.70

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Solution

The fourth proportional to 108,555.71, 162,838.11 and 29,669.70 is: 44,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,555.71 : 162,838.11 = 29,669.70 : x
  2. Step 2: Convert to fraction form
    108,555.71/162,838.11 = 29,669.70/x
  3. Step 3: Cross multiply
    108,555.71x = 162,838.11 × 29,669.70
  4. Step 4: Simplify right side
    108,555.71x = 4,831,357,872.27
  5. Step 5: Solve for x
    x = 4,831,357,872.27/108,555.71
  6. Step 6: Final answer
    x = 44,505.79

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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.