Home / 55,602.45-76,642.20-43,645.64

Finding the Fourth Proportional to 55,602.45, 76,642.20 and 43,645.64

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Solution

The fourth proportional to 55,602.45, 76,642.20 and 43,645.64 is: 60,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.45 : 76,642.20 = 43,645.64 : x
  2. Step 2: Convert to fraction form
    55,602.45/76,642.20 = 43,645.64/x
  3. Step 3: Cross multiply
    55,602.45x = 76,642.20 × 43,645.64
  4. Step 4: Simplify right side
    55,602.45x = 3,345,097,486.80
  5. Step 5: Solve for x
    x = 3,345,097,486.80/55,602.45
  6. Step 6: Final answer
    x = 60,160.97

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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.