Home / 107,435.51-161,107.70-51,210.57

Finding the Fourth Proportional to 107,435.51, 161,107.70 and 51,210.57

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Solution

The fourth proportional to 107,435.51, 161,107.70 and 51,210.57 is: 76,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,435.51 : 161,107.70 = 51,210.57 : x
  2. Step 2: Convert to fraction form
    107,435.51/161,107.70 = 51,210.57/x
  3. Step 3: Cross multiply
    107,435.51x = 161,107.70 × 51,210.57
  4. Step 4: Simplify right side
    107,435.51x = 8,250,416,892.34
  5. Step 5: Solve for x
    x = 8,250,416,892.34/107,435.51
  6. Step 6: Final answer
    x = 76,794.14

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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.