Home / 104,909.49-157,403.12-48,779.73

Finding the Fourth Proportional to 104,909.49, 157,403.12 and 48,779.73

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Solution

The fourth proportional to 104,909.49, 157,403.12 and 48,779.73 is: 73,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.49 : 157,403.12 = 48,779.73 : x
  2. Step 2: Convert to fraction form
    104,909.49/157,403.12 = 48,779.73/x
  3. Step 3: Cross multiply
    104,909.49x = 157,403.12 × 48,779.73
  4. Step 4: Simplify right side
    104,909.49x = 7,678,081,694.76
  5. Step 5: Solve for x
    x = 7,678,081,694.76/104,909.49
  6. Step 6: Final answer
    x = 73,187.68

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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.