Home / 109,917.96-151,686.78-62,170.26

Finding the Fourth Proportional to 109,917.96, 151,686.78 and 62,170.26

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Solution

The fourth proportional to 109,917.96, 151,686.78 and 62,170.26 is: 85,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.96 : 151,686.78 = 62,170.26 : x
  2. Step 2: Convert to fraction form
    109,917.96/151,686.78 = 62,170.26/x
  3. Step 3: Cross multiply
    109,917.96x = 151,686.78 × 62,170.26
  4. Step 4: Simplify right side
    109,917.96x = 9,430,406,551.16
  5. Step 5: Solve for x
    x = 9,430,406,551.16/109,917.96
  6. Step 6: Final answer
    x = 85,794.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.