Home / 105,736.08-145,902.27-60,416.97

Finding the Fourth Proportional to 105,736.08, 145,902.27 and 60,416.97

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Solution

The fourth proportional to 105,736.08, 145,902.27 and 60,416.97 is: 83,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,736.08 : 145,902.27 = 60,416.97 : x
  2. Step 2: Convert to fraction form
    105,736.08/145,902.27 = 60,416.97/x
  3. Step 3: Cross multiply
    105,736.08x = 145,902.27 × 60,416.97
  4. Step 4: Simplify right side
    105,736.08x = 8,814,973,069.52
  5. Step 5: Solve for x
    x = 8,814,973,069.52/105,736.08
  6. Step 6: Final answer
    x = 83,367.69

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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.