Home / 88,249.05-121,783.44-47,962.83

Finding the Fourth Proportional to 88,249.05, 121,783.44 and 47,962.83

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Solution

The fourth proportional to 88,249.05, 121,783.44 and 47,962.83 is: 66,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.05 : 121,783.44 = 47,962.83 : x
  2. Step 2: Convert to fraction form
    88,249.05/121,783.44 = 47,962.83/x
  3. Step 3: Cross multiply
    88,249.05x = 121,783.44 × 47,962.83
  4. Step 4: Simplify right side
    88,249.05x = 5,841,078,429.54
  5. Step 5: Solve for x
    x = 5,841,078,429.54/88,249.05
  6. Step 6: Final answer
    x = 66,188.57

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1.5x scale

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.