Home / 103,699.05-155,550.63-32,620.19

Finding the Fourth Proportional to 103,699.05, 155,550.63 and 32,620.19

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Solution

The fourth proportional to 103,699.05, 155,550.63 and 32,620.19 is: 48,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.05 : 155,550.63 = 32,620.19 : x
  2. Step 2: Convert to fraction form
    103,699.05/155,550.63 = 32,620.19/x
  3. Step 3: Cross multiply
    103,699.05x = 155,550.63 × 32,620.19
  4. Step 4: Simplify right side
    103,699.05x = 5,074,090,697.63
  5. Step 5: Solve for x
    x = 5,074,090,697.63/103,699.05
  6. Step 6: Final answer
    x = 48,930.93

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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.