Home / 104,751.29-157,136.20-29,869.83

Finding the Fourth Proportional to 104,751.29, 157,136.20 and 29,869.83

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Solution

The fourth proportional to 104,751.29, 157,136.20 and 29,869.83 is: 44,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,751.29 : 157,136.20 = 29,869.83 : x
  2. Step 2: Convert to fraction form
    104,751.29/157,136.20 = 29,869.83/x
  3. Step 3: Cross multiply
    104,751.29x = 157,136.20 × 29,869.83
  4. Step 4: Simplify right side
    104,751.29x = 4,693,631,580.85
  5. Step 5: Solve for x
    x = 4,693,631,580.85/104,751.29
  6. Step 6: Final answer
    x = 44,807.39

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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.