Home / 109,926-151,680.60-62,164.08

Finding the Fourth Proportional to 109,926, 151,680.60 and 62,164.08

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Solution

The fourth proportional to 109,926, 151,680.60 and 62,164.08 is: 85,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,926 : 151,680.60 = 62,164.08 : x
  2. Step 2: Convert to fraction form
    109,926/151,680.60 = 62,164.08/x
  3. Step 3: Cross multiply
    109,926x = 151,680.60 × 62,164.08
  4. Step 4: Simplify right side
    109,926x = 9,429,084,952.85
  5. Step 5: Solve for x
    x = 9,429,084,952.85/109,926
  6. Step 6: Final answer
    x = 85,776.66

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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.