Home / 88,249.69-121,783.53-47,961.64

Finding the Fourth Proportional to 88,249.69, 121,783.53 and 47,961.64

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Solution

The fourth proportional to 88,249.69, 121,783.53 and 47,961.64 is: 66,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.69 : 121,783.53 = 47,961.64 : x
  2. Step 2: Convert to fraction form
    88,249.69/121,783.53 = 47,961.64/x
  3. Step 3: Cross multiply
    88,249.69x = 121,783.53 × 47,961.64
  4. Step 4: Simplify right side
    88,249.69x = 5,840,937,823.79
  5. Step 5: Solve for x
    x = 5,840,937,823.79/88,249.69
  6. Step 6: Final answer
    x = 66,186.50

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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.