Home / 109,917.50-151,686.16-62,169.82

Finding the Fourth Proportional to 109,917.50, 151,686.16 and 62,169.82

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Solution

The fourth proportional to 109,917.50, 151,686.16 and 62,169.82 is: 85,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.50 : 151,686.16 = 62,169.82 : x
  2. Step 2: Convert to fraction form
    109,917.50/151,686.16 = 62,169.82/x
  3. Step 3: Cross multiply
    109,917.50x = 151,686.16 × 62,169.82
  4. Step 4: Simplify right side
    109,917.50x = 9,430,301,263.69
  5. Step 5: Solve for x
    x = 9,430,301,263.69/109,917.50
  6. Step 6: Final answer
    x = 85,794.36

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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.