Home / 109,908.96-151,677.80-62,161.35

Finding the Fourth Proportional to 109,908.96, 151,677.80 and 62,161.35

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Solution

The fourth proportional to 109,908.96, 151,677.80 and 62,161.35 is: 85,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,908.96 : 151,677.80 = 62,161.35 : x
  2. Step 2: Convert to fraction form
    109,908.96/151,677.80 = 62,161.35/x
  3. Step 3: Cross multiply
    109,908.96x = 151,677.80 × 62,161.35
  4. Step 4: Simplify right side
    109,908.96x = 9,428,496,813.03
  5. Step 5: Solve for x
    x = 9,428,496,813.03/109,908.96
  6. Step 6: Final answer
    x = 85,784.61

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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.