Home / 92,999.94-128,341.38-50,558.64

Finding the Fourth Proportional to 92,999.94, 128,341.38 and 50,558.64

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Solution

The fourth proportional to 92,999.94, 128,341.38 and 50,558.64 is: 69,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.94 : 128,341.38 = 50,558.64 : x
  2. Step 2: Convert to fraction form
    92,999.94/128,341.38 = 50,558.64/x
  3. Step 3: Cross multiply
    92,999.94x = 128,341.38 × 50,558.64
  4. Step 4: Simplify right side
    92,999.94x = 6,488,765,628.52
  5. Step 5: Solve for x
    x = 6,488,765,628.52/92,999.94
  6. Step 6: Final answer
    x = 69,771.72

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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.