Home / 88,161.84-121,662.94-47,875.26

Finding the Fourth Proportional to 88,161.84, 121,662.94 and 47,875.26

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Solution

The fourth proportional to 88,161.84, 121,662.94 and 47,875.26 is: 66,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,161.84 : 121,662.94 = 47,875.26 : x
  2. Step 2: Convert to fraction form
    88,161.84/121,662.94 = 47,875.26/x
  3. Step 3: Cross multiply
    88,161.84x = 121,662.94 × 47,875.26
  4. Step 4: Simplify right side
    88,161.84x = 5,824,644,884.86
  5. Step 5: Solve for x
    x = 5,824,644,884.86/88,161.84
  6. Step 6: Final answer
    x = 66,067.64

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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.