Home / 81,550.96-122,210.69-34,114.93

Finding the Fourth Proportional to 81,550.96, 122,210.69 and 34,114.93

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Solution

The fourth proportional to 81,550.96, 122,210.69 and 34,114.93 is: 51,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.96 : 122,210.69 = 34,114.93 : x
  2. Step 2: Convert to fraction form
    81,550.96/122,210.69 = 34,114.93/x
  3. Step 3: Cross multiply
    81,550.96x = 122,210.69 × 34,114.93
  4. Step 4: Simplify right side
    81,550.96x = 4,169,209,134.60
  5. Step 5: Solve for x
    x = 4,169,209,134.60/81,550.96
  6. Step 6: Final answer
    x = 51,123.97

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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.